Home / 11,928.28-17,892.74-4,531.80

Finding the Fourth Proportional to 11,928.28, 17,892.74 and 4,531.80

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Solution

The fourth proportional to 11,928.28, 17,892.74 and 4,531.80 is: 6,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.28 : 17,892.74 = 4,531.80 : x
  2. Step 2: Convert to fraction form
    11,928.28/17,892.74 = 4,531.80/x
  3. Step 3: Cross multiply
    11,928.28x = 17,892.74 × 4,531.80
  4. Step 4: Simplify right side
    11,928.28x = 81,086,319.13
  5. Step 5: Solve for x
    x = 81,086,319.13/11,928.28
  6. Step 6: Final answer
    x = 6,797.82

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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.