Home / 11,565.90-15,960.92-6,260.71

Finding the Fourth Proportional to 11,565.90, 15,960.92 and 6,260.71

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Solution

The fourth proportional to 11,565.90, 15,960.92 and 6,260.71 is: 8,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.90 : 15,960.92 = 6,260.71 : x
  2. Step 2: Convert to fraction form
    11,565.90/15,960.92 = 6,260.71/x
  3. Step 3: Cross multiply
    11,565.90x = 15,960.92 × 6,260.71
  4. Step 4: Simplify right side
    11,565.90x = 99,926,691.45
  5. Step 5: Solve for x
    x = 99,926,691.45/11,565.90
  6. Step 6: Final answer
    x = 8,639.77

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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.