Home / 9,070.38-12,516.66-5,712.12

Finding the Fourth Proportional to 9,070.38, 12,516.66 and 5,712.12

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Solution

The fourth proportional to 9,070.38, 12,516.66 and 5,712.12 is: 7,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.38 : 12,516.66 = 5,712.12 : x
  2. Step 2: Convert to fraction form
    9,070.38/12,516.66 = 5,712.12/x
  3. Step 3: Cross multiply
    9,070.38x = 12,516.66 × 5,712.12
  4. Step 4: Simplify right side
    9,070.38x = 71,496,663.92
  5. Step 5: Solve for x
    x = 71,496,663.92/9,070.38
  6. Step 6: Final answer
    x = 7,882.43

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Half 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.