Home / 11,706.90-17,563.13-3,387.12

Finding the Fourth Proportional to 11,706.90, 17,563.13 and 3,387.12

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Solution

The fourth proportional to 11,706.90, 17,563.13 and 3,387.12 is: 5,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.90 : 17,563.13 = 3,387.12 : x
  2. Step 2: Convert to fraction form
    11,706.90/17,563.13 = 3,387.12/x
  3. Step 3: Cross multiply
    11,706.90x = 17,563.13 × 3,387.12
  4. Step 4: Simplify right side
    11,706.90x = 59,488,358.79
  5. Step 5: Solve for x
    x = 59,488,358.79/11,706.90
  6. Step 6: Final answer
    x = 5,081.48

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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.