Home / 10,610.12-15,909.66-4,761.68

Finding the Fourth Proportional to 10,610.12, 15,909.66 and 4,761.68

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Solution

The fourth proportional to 10,610.12, 15,909.66 and 4,761.68 is: 7,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.12 : 15,909.66 = 4,761.68 : x
  2. Step 2: Convert to fraction form
    10,610.12/15,909.66 = 4,761.68/x
  3. Step 3: Cross multiply
    10,610.12x = 15,909.66 × 4,761.68
  4. Step 4: Simplify right side
    10,610.12x = 75,756,709.83
  5. Step 5: Solve for x
    x = 75,756,709.83/10,610.12
  6. Step 6: Final answer
    x = 7,140.04

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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.