Home / 34,778.30-52,161.90-11,082.78

Finding the Fourth Proportional to 34,778.30, 52,161.90 and 11,082.78

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Solution

The fourth proportional to 34,778.30, 52,161.90 and 11,082.78 is: 16,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.30 : 52,161.90 = 11,082.78 : x
  2. Step 2: Convert to fraction form
    34,778.30/52,161.90 = 11,082.78/x
  3. Step 3: Cross multiply
    34,778.30x = 52,161.90 × 11,082.78
  4. Step 4: Simplify right side
    34,778.30x = 578,098,862.08
  5. Step 5: Solve for x
    x = 578,098,862.08/34,778.30
  6. Step 6: Final answer
    x = 16,622.40

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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.