Question

Which equation represents a true proportion?
Answer

5 over 8 = 9 over 12

5 over 8 = 9 over 16

3 over 4 = 9 over 12

3 over 4 = 9 over 16

Answer 1

a proportion is a ratio where the top and bottom changes by the same factor, simply put:

3/4 = 9/12

because if you take 3/4 and you multiply the top by three and the bottom by 3, you get 9/12

Answer 2

the third one.

Answer 3

third one: 3/4 = 9/12