Home / 11,927.05-17,857.62-8,996.47

Finding the Fourth Proportional to 11,927.05, 17,857.62 and 8,996.47

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Solution

The fourth proportional to 11,927.05, 17,857.62 and 8,996.47 is: 13,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.05 : 17,857.62 = 8,996.47 : x
  2. Step 2: Convert to fraction form
    11,927.05/17,857.62 = 8,996.47/x
  3. Step 3: Cross multiply
    11,927.05x = 17,857.62 × 8,996.47
  4. Step 4: Simplify right side
    11,927.05x = 160,655,542.60
  5. Step 5: Solve for x
    x = 160,655,542.60/11,927.05
  6. Step 6: Final answer
    x = 13,469.85

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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.