Home / 11,747.92-17,621.91-3,962.20

Finding the Fourth Proportional to 11,747.92, 17,621.91 and 3,962.20

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Solution

The fourth proportional to 11,747.92, 17,621.91 and 3,962.20 is: 5,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.92 : 17,621.91 = 3,962.20 : x
  2. Step 2: Convert to fraction form
    11,747.92/17,621.91 = 3,962.20/x
  3. Step 3: Cross multiply
    11,747.92x = 17,621.91 × 3,962.20
  4. Step 4: Simplify right side
    11,747.92x = 69,821,531.80
  5. Step 5: Solve for x
    x = 69,821,531.80/11,747.92
  6. Step 6: Final answer
    x = 5,943.31

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1.5x scale

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.