Home / 11,730.78-17,585.24-3,934.13

Finding the Fourth Proportional to 11,730.78, 17,585.24 and 3,934.13

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Solution

The fourth proportional to 11,730.78, 17,585.24 and 3,934.13 is: 5,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.78 : 17,585.24 = 3,934.13 : x
  2. Step 2: Convert to fraction form
    11,730.78/17,585.24 = 3,934.13/x
  3. Step 3: Cross multiply
    11,730.78x = 17,585.24 × 3,934.13
  4. Step 4: Simplify right side
    11,730.78x = 69,182,512.64
  5. Step 5: Solve for x
    x = 69,182,512.64/11,730.78
  6. Step 6: Final answer
    x = 5,897.52

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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.