Home / 11,729.24-17,595.66-3,939.88

Finding the Fourth Proportional to 11,729.24, 17,595.66 and 3,939.88

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Solution

The fourth proportional to 11,729.24, 17,595.66 and 3,939.88 is: 5,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.24 : 17,595.66 = 3,939.88 : x
  2. Step 2: Convert to fraction form
    11,729.24/17,595.66 = 3,939.88/x
  3. Step 3: Cross multiply
    11,729.24x = 17,595.66 × 3,939.88
  4. Step 4: Simplify right side
    11,729.24x = 69,324,788.92
  5. Step 5: Solve for x
    x = 69,324,788.92/11,729.24
  6. Step 6: Final answer
    x = 5,910.42

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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.