Home / 11,747.12-17,620.32-4,351.41

Finding the Fourth Proportional to 11,747.12, 17,620.32 and 4,351.41

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Solution

The fourth proportional to 11,747.12, 17,620.32 and 4,351.41 is: 6,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.12 : 17,620.32 = 4,351.41 : x
  2. Step 2: Convert to fraction form
    11,747.12/17,620.32 = 4,351.41/x
  3. Step 3: Cross multiply
    11,747.12x = 17,620.32 × 4,351.41
  4. Step 4: Simplify right side
    11,747.12x = 76,673,252.97
  5. Step 5: Solve for x
    x = 76,673,252.97/11,747.12
  6. Step 6: Final answer
    x = 6,526.99

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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.