Home / 8,426.27-12,629.15-5,961.80

Finding the Fourth Proportional to 8,426.27, 12,629.15 and 5,961.80

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Solution

The fourth proportional to 8,426.27, 12,629.15 and 5,961.80 is: 8,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.27 : 12,629.15 = 5,961.80 : x
  2. Step 2: Convert to fraction form
    8,426.27/12,629.15 = 5,961.80/x
  3. Step 3: Cross multiply
    8,426.27x = 12,629.15 × 5,961.80
  4. Step 4: Simplify right side
    8,426.27x = 75,292,395.87
  5. Step 5: Solve for x
    x = 75,292,395.87/8,426.27
  6. Step 6: Final answer
    x = 8,935.44

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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.