Home / 10,961.08-16,439.22-3,168.20

Finding the Fourth Proportional to 10,961.08, 16,439.22 and 3,168.20

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Solution

The fourth proportional to 10,961.08, 16,439.22 and 3,168.20 is: 4,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.08 : 16,439.22 = 3,168.20 : x
  2. Step 2: Convert to fraction form
    10,961.08/16,439.22 = 3,168.20/x
  3. Step 3: Cross multiply
    10,961.08x = 16,439.22 × 3,168.20
  4. Step 4: Simplify right side
    10,961.08x = 52,082,736.80
  5. Step 5: Solve for x
    x = 52,082,736.80/10,961.08
  6. Step 6: Final answer
    x = 4,751.61

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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.