Home / 8,179.11-12,271.41-3,497.13

Finding the Fourth Proportional to 8,179.11, 12,271.41 and 3,497.13

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Solution

The fourth proportional to 8,179.11, 12,271.41 and 3,497.13 is: 5,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.11 : 12,271.41 = 3,497.13 : x
  2. Step 2: Convert to fraction form
    8,179.11/12,271.41 = 3,497.13/x
  3. Step 3: Cross multiply
    8,179.11x = 12,271.41 × 3,497.13
  4. Step 4: Simplify right side
    8,179.11x = 42,914,716.05
  5. Step 5: Solve for x
    x = 42,914,716.05/8,179.11
  6. Step 6: Final answer
    x = 5,246.87

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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.