Home / 11,064.24-16,600.68-5,221.20

Finding the Fourth Proportional to 11,064.24, 16,600.68 and 5,221.20

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Solution

The fourth proportional to 11,064.24, 16,600.68 and 5,221.20 is: 7,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.24 : 16,600.68 = 5,221.20 : x
  2. Step 2: Convert to fraction form
    11,064.24/16,600.68 = 5,221.20/x
  3. Step 3: Cross multiply
    11,064.24x = 16,600.68 × 5,221.20
  4. Step 4: Simplify right side
    11,064.24x = 86,675,470.42
  5. Step 5: Solve for x
    x = 86,675,470.42/11,064.24
  6. Step 6: Final answer
    x = 7,833.84

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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.