Finding the Fourth Proportional to 6,937,686.24, 9,572,864.88 and 4,357,529.12
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Solution
The fourth proportional to 6,937,686.24, 9,572,864.88 and 4,357,529.12 is: 6,012,672.82
Step by Step Solution
- Step 1: Write the proportion equation
6,937,686.24 : 9,572,864.88 = 4,357,529.12 : x - Step 2: Convert to fraction form
6,937,686.24/9,572,864.88 = 4,357,529.12/x - Step 3: Cross multiply
6,937,686.24x = 9,572,864.88 × 4,357,529.12 - Step 4: Simplify right side
6,937,686.24x = 41,714,037,476,425.31 - Step 5: Solve for x
x = 41,714,037,476,425.31/6,937,686.24 - Step 6: Final answer
x = 6,012,672.82
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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.