Home / 11,747.76-17,621.62-3,956.56

Finding the Fourth Proportional to 11,747.76, 17,621.62 and 3,956.56

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Solution

The fourth proportional to 11,747.76, 17,621.62 and 3,956.56 is: 5,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.76 : 17,621.62 = 3,956.56 : x
  2. Step 2: Convert to fraction form
    11,747.76/17,621.62 = 3,956.56/x
  3. Step 3: Cross multiply
    11,747.76x = 17,621.62 × 3,956.56
  4. Step 4: Simplify right side
    11,747.76x = 69,720,996.83
  5. Step 5: Solve for x
    x = 69,720,996.83/11,747.76
  6. Step 6: Final answer
    x = 5,934.83

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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.