Home / 11,481.91-17,223.17-4,086.61

Finding the Fourth Proportional to 11,481.91, 17,223.17 and 4,086.61

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Solution

The fourth proportional to 11,481.91, 17,223.17 and 4,086.61 is: 6,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.91 : 17,223.17 = 4,086.61 : x
  2. Step 2: Convert to fraction form
    11,481.91/17,223.17 = 4,086.61/x
  3. Step 3: Cross multiply
    11,481.91x = 17,223.17 × 4,086.61
  4. Step 4: Simplify right side
    11,481.91x = 70,384,315.26
  5. Step 5: Solve for x
    x = 70,384,315.26/11,481.91
  6. Step 6: Final answer
    x = 6,130.02

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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.