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St. Patrick School

                                7th Grade Proportions Worksheet

                                        School Year 2009-2010

Name: _____________________________________________________ 7th ____

Date: _____________________________________________________ L.N.: ____



Solve for n in the given proportions.

1.                     2.                          3.              4.
n                       7                           6               42
 7                      4                           1               n




 =                      =                           =              =
                                                                   7
36                      14                         30              3
28                      n                          n
5.   6.   7.    8.
n     9    45   n
 6    6     5    4




 =    =   =      =
          9
8    n    n      9
3    2          12
9.   10.   11.   12.
 2    3     n     1
 5    1     24   n




 =    =    =      =
           2
n    39    3      3
15   n           21
13.   14.   15.   16.
 n      9     7    6
 36    11    12   n




=     =     =      =
8     18    n
9     n     48    1
                  4
17.   18.   19.   20.
 1     4      6    n
 2    n      18    10




 =     =    =     =
            n     3
n     48    3     2
44    36

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Proportions

  • 1. St. Patrick School 7th Grade Proportions Worksheet School Year 2009-2010 Name: _____________________________________________________ 7th ____ Date: _____________________________________________________ L.N.: ____ Solve for n in the given proportions. 1. 2. 3. 4. n 7 6 42 7 4 1 n = = = = 7 36 14 30 3 28 n n
  • 2. 5. 6. 7. 8. n 9 45 n 6 6 5 4 = = = = 9 8 n n 9 3 2 12
  • 3. 9. 10. 11. 12. 2 3 n 1 5 1 24 n = = = = 2 n 39 3 3 15 n 21
  • 4. 13. 14. 15. 16. n 9 7 6 36 11 12 n = = = = 8 18 n 9 n 48 1 4
  • 5. 17. 18. 19. 20. 1 4 6 n 2 n 18 10 = = = = n 3 n 48 3 2 44 36