Home / 11,747.61-17,622.23-4,351.91

Finding the Fourth Proportional to 11,747.61, 17,622.23 and 4,351.91

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Solution

The fourth proportional to 11,747.61, 17,622.23 and 4,351.91 is: 6,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.61 : 17,622.23 = 4,351.91 : x
  2. Step 2: Convert to fraction form
    11,747.61/17,622.23 = 4,351.91/x
  3. Step 3: Cross multiply
    11,747.61x = 17,622.23 × 4,351.91
  4. Step 4: Simplify right side
    11,747.61x = 76,690,249.09
  5. Step 5: Solve for x
    x = 76,690,249.09/11,747.61
  6. Step 6: Final answer
    x = 6,528.16

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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.