Finding the Fourth Proportional to 7,747,845.79, 10,667,689.37 and 6,583,836.91
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Solution
The fourth proportional to 7,747,845.79, 10,667,689.37 and 6,583,836.91 is: 9,065,013.54
Step by Step Solution
- Step 1: Write the proportion equation
7,747,845.79 : 10,667,689.37 = 6,583,836.91 : x - Step 2: Convert to fraction form
7,747,845.79/10,667,689.37 = 6,583,836.91/x - Step 3: Cross multiply
7,747,845.79x = 10,667,689.37 × 6,583,836.91 - Step 4: Simplify right side
7,747,845.79x = 70,234,326,932,363.02 - Step 5: Solve for x
x = 70,234,326,932,363.02/7,747,845.79 - Step 6: Final answer
x = 9,065,013.54
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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.