Question

hi guys please tell me all the formulas of ratio and proportion whoever does i will mark him or her as the brainliest

Answer 1

Answer:

Product of means = Product of extremes. Thus, a : b :: c : d (b x c) = (a x d). Fourth Proportional: If a : b = c : d, then d is called the fourth proportional to a, b, c.

Step-by-step explanation:

hope it helps you

Answer 2

Answer:

please mar me brainest