Home / 12,575.88-17,350.20-8,805.06

Finding the Fourth Proportional to 12,575.88, 17,350.20 and 8,805.06

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Solution

The fourth proportional to 12,575.88, 17,350.20 and 8,805.06 is: 12,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.88 : 17,350.20 = 8,805.06 : x
  2. Step 2: Convert to fraction form
    12,575.88/17,350.20 = 8,805.06/x
  3. Step 3: Cross multiply
    12,575.88x = 17,350.20 × 8,805.06
  4. Step 4: Simplify right side
    12,575.88x = 152,769,552.01
  5. Step 5: Solve for x
    x = 152,769,552.01/12,575.88
  6. Step 6: Final answer
    x = 12,147.82

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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.