Home / 8,729.41-13,092.86-2,805.53

Finding the Fourth Proportional to 8,729.41, 13,092.86 and 2,805.53

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Solution

The fourth proportional to 8,729.41, 13,092.86 and 2,805.53 is: 4,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.41 : 13,092.86 = 2,805.53 : x
  2. Step 2: Convert to fraction form
    8,729.41/13,092.86 = 2,805.53/x
  3. Step 3: Cross multiply
    8,729.41x = 13,092.86 × 2,805.53
  4. Step 4: Simplify right side
    8,729.41x = 36,732,346.05
  5. Step 5: Solve for x
    x = 36,732,346.05/8,729.41
  6. Step 6: Final answer
    x = 4,207.88

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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.