Finding the Fourth Proportional to 8,374,110.75, 11,550,761.60 and 6,047,128.17
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Solution
The fourth proportional to 8,374,110.75, 11,550,761.60 and 6,047,128.17 is: 8,341,057.09
Step by Step Solution
- Step 1: Write the proportion equation
8,374,110.75 : 11,550,761.60 = 6,047,128.17 : x - Step 2: Convert to fraction form
8,374,110.75/11,550,761.60 = 6,047,128.17/x - Step 3: Cross multiply
8,374,110.75x = 11,550,761.60 × 6,047,128.17 - Step 4: Simplify right side
8,374,110.75x = 69,848,935,826,078.63 - Step 5: Solve for x
x = 69,848,935,826,078.63/8,374,110.75 - Step 6: Final answer
x = 8,341,057.09
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.