Home / 12,432.26-17,156.30-6,766.83

Finding the Fourth Proportional to 12,432.26, 17,156.30 and 6,766.83

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Solution

The fourth proportional to 12,432.26, 17,156.30 and 6,766.83 is: 9,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.26 : 17,156.30 = 6,766.83 : x
  2. Step 2: Convert to fraction form
    12,432.26/17,156.30 = 6,766.83/x
  3. Step 3: Cross multiply
    12,432.26x = 17,156.30 × 6,766.83
  4. Step 4: Simplify right side
    12,432.26x = 116,093,731.69
  5. Step 5: Solve for x
    x = 116,093,731.69/12,432.26
  6. Step 6: Final answer
    x = 9,338.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.