Home / 8,724.57-13,088.52-3,726.87

Finding the Fourth Proportional to 8,724.57, 13,088.52 and 3,726.87

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Solution

The fourth proportional to 8,724.57, 13,088.52 and 3,726.87 is: 5,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.57 : 13,088.52 = 3,726.87 : x
  2. Step 2: Convert to fraction form
    8,724.57/13,088.52 = 3,726.87/x
  3. Step 3: Cross multiply
    8,724.57x = 13,088.52 × 3,726.87
  4. Step 4: Simplify right side
    8,724.57x = 48,779,212.53
  5. Step 5: Solve for x
    x = 48,779,212.53/8,724.57
  6. Step 6: Final answer
    x = 5,591.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.