Verified Answer :

VzDeath

Like earlier take the bigger shape and divide the smaller one.
8.4 divide by 4 and you get 2.1.

olemakpadu
AScale factor is = Second Value / First Value
                           =    8.4 / 4 = 2.1

b)  0.25 =  Second Value / First value

0.25 =  Second Value / 9

Second value = 0.25 * 9 = 2.25.

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