Home / 6,331.39-8,736.20-3,812.83

Finding the Fourth Proportional to 6,331.39, 8,736.20 and 3,812.83

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Solution

The fourth proportional to 6,331.39, 8,736.20 and 3,812.83 is: 5,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.39 : 8,736.20 = 3,812.83 : x
  2. Step 2: Convert to fraction form
    6,331.39/8,736.20 = 3,812.83/x
  3. Step 3: Cross multiply
    6,331.39x = 8,736.20 × 3,812.83
  4. Step 4: Simplify right side
    6,331.39x = 33,309,626.38
  5. Step 5: Solve for x
    x = 33,309,626.38/6,331.39
  6. Step 6: Final answer
    x = 5,261.03

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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.