This document is a 7th grade proportions worksheet from St. Patrick School for the 2009-2010 school year. It contains 30 word problems where students are asked to solve for n in given proportions. The problems involve setting up and solving proportions to find unknown values.

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

6. 21. 22. 23. 24.
n 26 26 10
33 13 13 18
= = = =
32 48 16 n
24 n n 27

7. 25. 26. 27.
16 n 33
n 20 30
= = =
48 8 n 28.
36 10 10 20
24
=
n
12

8. 29. 30.
n 16
50 24
= =
3 18
5 n