Home / 11,624.91-17,437.20-2,859.90

Finding the Fourth Proportional to 11,624.91, 17,437.20 and 2,859.90

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Solution

The fourth proportional to 11,624.91, 17,437.20 and 2,859.90 is: 4,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.91 : 17,437.20 = 2,859.90 : x
  2. Step 2: Convert to fraction form
    11,624.91/17,437.20 = 2,859.90/x
  3. Step 3: Cross multiply
    11,624.91x = 17,437.20 × 2,859.90
  4. Step 4: Simplify right side
    11,624.91x = 49,868,648.28
  5. Step 5: Solve for x
    x = 49,868,648.28/11,624.91
  6. Step 6: Final answer
    x = 4,289.81

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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.