Home / 9,149.01-12,625.97-5,170.56

Finding the Fourth Proportional to 9,149.01, 12,625.97 and 5,170.56

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Solution

The fourth proportional to 9,149.01, 12,625.97 and 5,170.56 is: 7,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.01 : 12,625.97 = 5,170.56 : x
  2. Step 2: Convert to fraction form
    9,149.01/12,625.97 = 5,170.56/x
  3. Step 3: Cross multiply
    9,149.01x = 12,625.97 × 5,170.56
  4. Step 4: Simplify right side
    9,149.01x = 65,283,335.44
  5. Step 5: Solve for x
    x = 65,283,335.44/9,149.01
  6. Step 6: Final answer
    x = 7,135.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.