Home / 8,167.70-12,246.44-3,422.58

Finding the Fourth Proportional to 8,167.70, 12,246.44 and 3,422.58

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Solution

The fourth proportional to 8,167.70, 12,246.44 and 3,422.58 is: 5,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.70 : 12,246.44 = 3,422.58 : x
  2. Step 2: Convert to fraction form
    8,167.70/12,246.44 = 3,422.58/x
  3. Step 3: Cross multiply
    8,167.70x = 12,246.44 × 3,422.58
  4. Step 4: Simplify right side
    8,167.70x = 41,914,359.38
  5. Step 5: Solve for x
    x = 41,914,359.38/8,167.70
  6. Step 6: Final answer
    x = 5,131.72

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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.