determine whether the ratios are proportional.
5 over 6 and 12 over 15 yes or no
Is 5:6 proportional to 12:15 or
Is 5/6 ~ 12/15
CROSS MULTIPLY to find out
Does 5 X 15 = 12 x 6
75 = 60? No, they are not equal and these are not proportional
