Home / 6,231.38-9,348.66-5,122.61

Finding the Fourth Proportional to 6,231.38, 9,348.66 and 5,122.61

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Solution

The fourth proportional to 6,231.38, 9,348.66 and 5,122.61 is: 7,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.38 : 9,348.66 = 5,122.61 : x
  2. Step 2: Convert to fraction form
    6,231.38/9,348.66 = 5,122.61/x
  3. Step 3: Cross multiply
    6,231.38x = 9,348.66 × 5,122.61
  4. Step 4: Simplify right side
    6,231.38x = 47,889,513.59
  5. Step 5: Solve for x
    x = 47,889,513.59/6,231.38
  6. Step 6: Final answer
    x = 7,685.22

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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.