Home / 10,337.92-15,508.80-4,787.60

Finding the Fourth Proportional to 10,337.92, 15,508.80 and 4,787.60

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Solution

The fourth proportional to 10,337.92, 15,508.80 and 4,787.60 is: 7,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.92 : 15,508.80 = 4,787.60 : x
  2. Step 2: Convert to fraction form
    10,337.92/15,508.80 = 4,787.60/x
  3. Step 3: Cross multiply
    10,337.92x = 15,508.80 × 4,787.60
  4. Step 4: Simplify right side
    10,337.92x = 74,249,930.88
  5. Step 5: Solve for x
    x = 74,249,930.88/10,337.92
  6. Step 6: Final answer
    x = 7,182.29

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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.