Home / 9,149.15-12,617.91-5,961.24

Finding the Fourth Proportional to 9,149.15, 12,617.91 and 5,961.24

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Solution

The fourth proportional to 9,149.15, 12,617.91 and 5,961.24 is: 8,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.15 : 12,617.91 = 5,961.24 : x
  2. Step 2: Convert to fraction form
    9,149.15/12,617.91 = 5,961.24/x
  3. Step 3: Cross multiply
    9,149.15x = 12,617.91 × 5,961.24
  4. Step 4: Simplify right side
    9,149.15x = 75,218,389.81
  5. Step 5: Solve for x
    x = 75,218,389.81/9,149.15
  6. Step 6: Final answer
    x = 8,221.35

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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.