Home / 11,158.68-16,733.76-3,660.48

Finding the Fourth Proportional to 11,158.68, 16,733.76 and 3,660.48

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Solution

The fourth proportional to 11,158.68, 16,733.76 and 3,660.48 is: 5,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.68 : 16,733.76 = 3,660.48 : x
  2. Step 2: Convert to fraction form
    11,158.68/16,733.76 = 3,660.48/x
  3. Step 3: Cross multiply
    11,158.68x = 16,733.76 × 3,660.48
  4. Step 4: Simplify right side
    11,158.68x = 61,253,593.80
  5. Step 5: Solve for x
    x = 61,253,593.80/11,158.68
  6. Step 6: Final answer
    x = 5,489.32

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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.