Home / 11,958.38-17,929.87-5,718.26

Finding the Fourth Proportional to 11,958.38, 17,929.87 and 5,718.26

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Solution

The fourth proportional to 11,958.38, 17,929.87 and 5,718.26 is: 8,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.38 : 17,929.87 = 5,718.26 : x
  2. Step 2: Convert to fraction form
    11,958.38/17,929.87 = 5,718.26/x
  3. Step 3: Cross multiply
    11,958.38x = 17,929.87 × 5,718.26
  4. Step 4: Simplify right side
    11,958.38x = 102,527,721.12
  5. Step 5: Solve for x
    x = 102,527,721.12/11,958.38
  6. Step 6: Final answer
    x = 8,573.71

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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.