Home / 8,755.42-12,082.49-4,776.55

Finding the Fourth Proportional to 8,755.42, 12,082.49 and 4,776.55

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Solution

The fourth proportional to 8,755.42, 12,082.49 and 4,776.55 is: 6,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.42 : 12,082.49 = 4,776.55 : x
  2. Step 2: Convert to fraction form
    8,755.42/12,082.49 = 4,776.55/x
  3. Step 3: Cross multiply
    8,755.42x = 12,082.49 × 4,776.55
  4. Step 4: Simplify right side
    8,755.42x = 57,712,617.61
  5. Step 5: Solve for x
    x = 57,712,617.61/8,755.42
  6. Step 6: Final answer
    x = 6,591.64

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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.