Home / 8,146.61-12,223.38-5,517.08

Finding the Fourth Proportional to 8,146.61, 12,223.38 and 5,517.08

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Solution

The fourth proportional to 8,146.61, 12,223.38 and 5,517.08 is: 8,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.61 : 12,223.38 = 5,517.08 : x
  2. Step 2: Convert to fraction form
    8,146.61/12,223.38 = 5,517.08/x
  3. Step 3: Cross multiply
    8,146.61x = 12,223.38 × 5,517.08
  4. Step 4: Simplify right side
    8,146.61x = 67,437,365.33
  5. Step 5: Solve for x
    x = 67,437,365.33/8,146.61
  6. Step 6: Final answer
    x = 8,277.97

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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.