Home / 6,115.68-8,439.30-3,463.11

Finding the Fourth Proportional to 6,115.68, 8,439.30 and 3,463.11

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Solution

The fourth proportional to 6,115.68, 8,439.30 and 3,463.11 is: 4,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.68 : 8,439.30 = 3,463.11 : x
  2. Step 2: Convert to fraction form
    6,115.68/8,439.30 = 3,463.11/x
  3. Step 3: Cross multiply
    6,115.68x = 8,439.30 × 3,463.11
  4. Step 4: Simplify right side
    6,115.68x = 29,226,224.22
  5. Step 5: Solve for x
    x = 29,226,224.22/6,115.68
  6. Step 6: Final answer
    x = 4,778.90

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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.