Home / 11,132.28-16,691.94-4,203

Finding the Fourth Proportional to 11,132.28, 16,691.94 and 4,203

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Solution

The fourth proportional to 11,132.28, 16,691.94 and 4,203 is: 6,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.28 : 16,691.94 = 4,203 : x
  2. Step 2: Convert to fraction form
    11,132.28/16,691.94 = 4,203/x
  3. Step 3: Cross multiply
    11,132.28x = 16,691.94 × 4,203
  4. Step 4: Simplify right side
    11,132.28x = 70,156,223.82
  5. Step 5: Solve for x
    x = 70,156,223.82/11,132.28
  6. Step 6: Final answer
    x = 6,302.05

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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.