Home / 10,231.22-15,347.10-7,650.56

Finding the Fourth Proportional to 10,231.22, 15,347.10 and 7,650.56

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Solution

The fourth proportional to 10,231.22, 15,347.10 and 7,650.56 is: 11,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.22 : 15,347.10 = 7,650.56 : x
  2. Step 2: Convert to fraction form
    10,231.22/15,347.10 = 7,650.56/x
  3. Step 3: Cross multiply
    10,231.22x = 15,347.10 × 7,650.56
  4. Step 4: Simplify right side
    10,231.22x = 117,413,909.38
  5. Step 5: Solve for x
    x = 117,413,909.38/10,231.22
  6. Step 6: Final answer
    x = 11,476.04

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1.5x scale

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.