Home / 10,691.12-16,032.02-4,112.67

Finding the Fourth Proportional to 10,691.12, 16,032.02 and 4,112.67

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Solution

The fourth proportional to 10,691.12, 16,032.02 and 4,112.67 is: 6,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.12 : 16,032.02 = 4,112.67 : x
  2. Step 2: Convert to fraction form
    10,691.12/16,032.02 = 4,112.67/x
  3. Step 3: Cross multiply
    10,691.12x = 16,032.02 × 4,112.67
  4. Step 4: Simplify right side
    10,691.12x = 65,934,387.13
  5. Step 5: Solve for x
    x = 65,934,387.13/10,691.12
  6. Step 6: Final answer
    x = 6,167.21

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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.