Home / 9,635.20-14,456.04-3,792.40

Finding the Fourth Proportional to 9,635.20, 14,456.04 and 3,792.40

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Solution

The fourth proportional to 9,635.20, 14,456.04 and 3,792.40 is: 5,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635.20 : 14,456.04 = 3,792.40 : x
  2. Step 2: Convert to fraction form
    9,635.20/14,456.04 = 3,792.40/x
  3. Step 3: Cross multiply
    9,635.20x = 14,456.04 × 3,792.40
  4. Step 4: Simplify right side
    9,635.20x = 54,823,086.10
  5. Step 5: Solve for x
    x = 54,823,086.10/9,635.20
  6. Step 6: Final answer
    x = 5,689.88

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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.