Question

0. Find the fourth proportional to the numbers.

(d) 3, 12,5​

Answer 1

Answer:

$d = a2 - a1 \\ 12 - 5 \\ 7 \\ \\ a + 3(d) \\ 3 + 3(7) \\ 3 + 21 \\ = 24 \\ \\ \\ d = distance \\ a = a1$