Home / 11,447.68-17,177.28-5,296

Finding the Fourth Proportional to 11,447.68, 17,177.28 and 5,296

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Solution

The fourth proportional to 11,447.68, 17,177.28 and 5,296 is: 7,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.68 : 17,177.28 = 5,296 : x
  2. Step 2: Convert to fraction form
    11,447.68/17,177.28 = 5,296/x
  3. Step 3: Cross multiply
    11,447.68x = 17,177.28 × 5,296
  4. Step 4: Simplify right side
    11,447.68x = 90,970,874.88
  5. Step 5: Solve for x
    x = 90,970,874.88/11,447.68
  6. Step 6: Final answer
    x = 7,946.66

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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.