Home / 8,972.92-13,465.59-5,230.90

Finding the Fourth Proportional to 8,972.92, 13,465.59 and 5,230.90

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Solution

The fourth proportional to 8,972.92, 13,465.59 and 5,230.90 is: 7,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.92 : 13,465.59 = 5,230.90 : x
  2. Step 2: Convert to fraction form
    8,972.92/13,465.59 = 5,230.90/x
  3. Step 3: Cross multiply
    8,972.92x = 13,465.59 × 5,230.90
  4. Step 4: Simplify right side
    8,972.92x = 70,437,154.73
  5. Step 5: Solve for x
    x = 70,437,154.73/8,972.92
  6. Step 6: Final answer
    x = 7,849.97

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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.