Home / 9,982.40-14,966.40-5,601.20

Finding the Fourth Proportional to 9,982.40, 14,966.40 and 5,601.20

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Solution

The fourth proportional to 9,982.40, 14,966.40 and 5,601.20 is: 8,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.40 : 14,966.40 = 5,601.20 : x
  2. Step 2: Convert to fraction form
    9,982.40/14,966.40 = 5,601.20/x
  3. Step 3: Cross multiply
    9,982.40x = 14,966.40 × 5,601.20
  4. Step 4: Simplify right side
    9,982.40x = 83,829,799.68
  5. Step 5: Solve for x
    x = 83,829,799.68/9,982.40
  6. Step 6: Final answer
    x = 8,397.76

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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.