Home / 9,149.24-12,625.26-5,170.36

Finding the Fourth Proportional to 9,149.24, 12,625.26 and 5,170.36

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Solution

The fourth proportional to 9,149.24, 12,625.26 and 5,170.36 is: 7,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.24 : 12,625.26 = 5,170.36 : x
  2. Step 2: Convert to fraction form
    9,149.24/12,625.26 = 5,170.36/x
  3. Step 3: Cross multiply
    9,149.24x = 12,625.26 × 5,170.36
  4. Step 4: Simplify right side
    9,149.24x = 65,277,139.29
  5. Step 5: Solve for x
    x = 65,277,139.29/9,149.24
  6. Step 6: Final answer
    x = 7,134.71

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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.