Home / 11,728.71-17,591.24-4,331.49

Finding the Fourth Proportional to 11,728.71, 17,591.24 and 4,331.49

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Solution

The fourth proportional to 11,728.71, 17,591.24 and 4,331.49 is: 6,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.71 : 17,591.24 = 4,331.49 : x
  2. Step 2: Convert to fraction form
    11,728.71/17,591.24 = 4,331.49/x
  3. Step 3: Cross multiply
    11,728.71x = 17,591.24 × 4,331.49
  4. Step 4: Simplify right side
    11,728.71x = 76,196,290.98
  5. Step 5: Solve for x
    x = 76,196,290.98/11,728.71
  6. Step 6: Final answer
    x = 6,496.56

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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.