Home / 11,153.60-16,717.68-5,301.92

Finding the Fourth Proportional to 11,153.60, 16,717.68 and 5,301.92

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Solution

The fourth proportional to 11,153.60, 16,717.68 and 5,301.92 is: 7,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.60 : 16,717.68 = 5,301.92 : x
  2. Step 2: Convert to fraction form
    11,153.60/16,717.68 = 5,301.92/x
  3. Step 3: Cross multiply
    11,153.60x = 16,717.68 × 5,301.92
  4. Step 4: Simplify right side
    11,153.60x = 88,635,801.95
  5. Step 5: Solve for x
    x = 88,635,801.95/11,153.60
  6. Step 6: Final answer
    x = 7,946.83

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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.