Home / 8,775.75-12,110.82-5,049.75

Finding the Fourth Proportional to 8,775.75, 12,110.82 and 5,049.75

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Solution

The fourth proportional to 8,775.75, 12,110.82 and 5,049.75 is: 6,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.75 : 12,110.82 = 5,049.75 : x
  2. Step 2: Convert to fraction form
    8,775.75/12,110.82 = 5,049.75/x
  3. Step 3: Cross multiply
    8,775.75x = 12,110.82 × 5,049.75
  4. Step 4: Simplify right side
    8,775.75x = 61,156,613.30
  5. Step 5: Solve for x
    x = 61,156,613.30/8,775.75
  6. Step 6: Final answer
    x = 6,968.82

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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.