Home / 10,791.24-16,186.98-4,865.88

Finding the Fourth Proportional to 10,791.24, 16,186.98 and 4,865.88

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Solution

The fourth proportional to 10,791.24, 16,186.98 and 4,865.88 is: 7,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.24 : 16,186.98 = 4,865.88 : x
  2. Step 2: Convert to fraction form
    10,791.24/16,186.98 = 4,865.88/x
  3. Step 3: Cross multiply
    10,791.24x = 16,186.98 × 4,865.88
  4. Step 4: Simplify right side
    10,791.24x = 78,763,902.24
  5. Step 5: Solve for x
    x = 78,763,902.24/10,791.24
  6. Step 6: Final answer
    x = 7,298.87

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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.