Home / 10,747.44-16,125.30-4,178.25

Finding the Fourth Proportional to 10,747.44, 16,125.30 and 4,178.25

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Solution

The fourth proportional to 10,747.44, 16,125.30 and 4,178.25 is: 6,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.44 : 16,125.30 = 4,178.25 : x
  2. Step 2: Convert to fraction form
    10,747.44/16,125.30 = 4,178.25/x
  3. Step 3: Cross multiply
    10,747.44x = 16,125.30 × 4,178.25
  4. Step 4: Simplify right side
    10,747.44x = 67,375,534.73
  5. Step 5: Solve for x
    x = 67,375,534.73/10,747.44
  6. Step 6: Final answer
    x = 6,268.98

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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.