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Finding the Fourth Proportional to 11,721.26, 17,573.97 and 6,168.71

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Solution

The fourth proportional to 11,721.26, 17,573.97 and 6,168.71 is: 9,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.26 : 17,573.97 = 6,168.71 : x
  2. Step 2: Convert to fraction form
    11,721.26/17,573.97 = 6,168.71/x
  3. Step 3: Cross multiply
    11,721.26x = 17,573.97 × 6,168.71
  4. Step 4: Simplify right side
    11,721.26x = 108,408,724.48
  5. Step 5: Solve for x
    x = 108,408,724.48/11,721.26
  6. Step 6: Final answer
    x = 9,248.90

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1.5x scale

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.