Home / 10,942.56-15,104.61-6,467.85

Finding the Fourth Proportional to 10,942.56, 15,104.61 and 6,467.85

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Solution

The fourth proportional to 10,942.56, 15,104.61 and 6,467.85 is: 8,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.56 : 15,104.61 = 6,467.85 : x
  2. Step 2: Convert to fraction form
    10,942.56/15,104.61 = 6,467.85/x
  3. Step 3: Cross multiply
    10,942.56x = 15,104.61 × 6,467.85
  4. Step 4: Simplify right side
    10,942.56x = 97,694,351.79
  5. Step 5: Solve for x
    x = 97,694,351.79/10,942.56
  6. Step 6: Final answer
    x = 8,927.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.