Home / 11,546.28-17,320.88-4,151.52

Finding the Fourth Proportional to 11,546.28, 17,320.88 and 4,151.52

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Solution

The fourth proportional to 11,546.28, 17,320.88 and 4,151.52 is: 6,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.28 : 17,320.88 = 4,151.52 : x
  2. Step 2: Convert to fraction form
    11,546.28/17,320.88 = 4,151.52/x
  3. Step 3: Cross multiply
    11,546.28x = 17,320.88 × 4,151.52
  4. Step 4: Simplify right side
    11,546.28x = 71,907,979.74
  5. Step 5: Solve for x
    x = 71,907,979.74/11,546.28
  6. Step 6: Final answer
    x = 6,227.80

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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.