Home / 9,249.12-12,760.20-5,891.33

Finding the Fourth Proportional to 9,249.12, 12,760.20 and 5,891.33

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Solution

The fourth proportional to 9,249.12, 12,760.20 and 5,891.33 is: 8,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.12 : 12,760.20 = 5,891.33 : x
  2. Step 2: Convert to fraction form
    9,249.12/12,760.20 = 5,891.33/x
  3. Step 3: Cross multiply
    9,249.12x = 12,760.20 × 5,891.33
  4. Step 4: Simplify right side
    9,249.12x = 75,174,580.97
  5. Step 5: Solve for x
    x = 75,174,580.97/9,249.12
  6. Step 6: Final answer
    x = 8,127.75

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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.