Home / 12,591.88-17,377.17-6,926.33

Finding the Fourth Proportional to 12,591.88, 17,377.17 and 6,926.33

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Solution

The fourth proportional to 12,591.88, 17,377.17 and 6,926.33 is: 9,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.88 : 17,377.17 = 6,926.33 : x
  2. Step 2: Convert to fraction form
    12,591.88/17,377.17 = 6,926.33/x
  3. Step 3: Cross multiply
    12,591.88x = 17,377.17 × 6,926.33
  4. Step 4: Simplify right side
    12,591.88x = 120,360,013.89
  5. Step 5: Solve for x
    x = 120,360,013.89/12,591.88
  6. Step 6: Final answer
    x = 9,558.55

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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.