Home / 7,414.90-11,122.94-2,149.99

Finding the Fourth Proportional to 7,414.90, 11,122.94 and 2,149.99

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Solution

The fourth proportional to 7,414.90, 11,122.94 and 2,149.99 is: 3,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.90 : 11,122.94 = 2,149.99 : x
  2. Step 2: Convert to fraction form
    7,414.90/11,122.94 = 2,149.99/x
  3. Step 3: Cross multiply
    7,414.90x = 11,122.94 × 2,149.99
  4. Step 4: Simplify right side
    7,414.90x = 23,914,209.77
  5. Step 5: Solve for x
    x = 23,914,209.77/7,414.90
  6. Step 6: Final answer
    x = 3,225.16

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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.