Home / 11,098.92-15,318.24-6,382.20

Finding the Fourth Proportional to 11,098.92, 15,318.24 and 6,382.20

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Solution

The fourth proportional to 11,098.92, 15,318.24 and 6,382.20 is: 8,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.92 : 15,318.24 = 6,382.20 : x
  2. Step 2: Convert to fraction form
    11,098.92/15,318.24 = 6,382.20/x
  3. Step 3: Cross multiply
    11,098.92x = 15,318.24 × 6,382.20
  4. Step 4: Simplify right side
    11,098.92x = 97,764,071.33
  5. Step 5: Solve for x
    x = 97,764,071.33/11,098.92
  6. Step 6: Final answer
    x = 8,808.43

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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.