Home / 8,255.12-12,382.14-2,411.24

Finding the Fourth Proportional to 8,255.12, 12,382.14 and 2,411.24

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Solution

The fourth proportional to 8,255.12, 12,382.14 and 2,411.24 is: 3,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.12 : 12,382.14 = 2,411.24 : x
  2. Step 2: Convert to fraction form
    8,255.12/12,382.14 = 2,411.24/x
  3. Step 3: Cross multiply
    8,255.12x = 12,382.14 × 2,411.24
  4. Step 4: Simplify right side
    8,255.12x = 29,856,311.25
  5. Step 5: Solve for x
    x = 29,856,311.25/8,255.12
  6. Step 6: Final answer
    x = 3,616.70

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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.