Home / 8,100.25-12,122.94-4,982.24

Finding the Fourth Proportional to 8,100.25, 12,122.94 and 4,982.24

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Solution

The fourth proportional to 8,100.25, 12,122.94 and 4,982.24 is: 7,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.25 : 12,122.94 = 4,982.24 : x
  2. Step 2: Convert to fraction form
    8,100.25/12,122.94 = 4,982.24/x
  3. Step 3: Cross multiply
    8,100.25x = 12,122.94 × 4,982.24
  4. Step 4: Simplify right side
    8,100.25x = 60,399,335.97
  5. Step 5: Solve for x
    x = 60,399,335.97/8,100.25
  6. Step 6: Final answer
    x = 7,456.48

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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.