Home / 8,148.30-11,244.66-4,422.30

Finding the Fourth Proportional to 8,148.30, 11,244.66 and 4,422.30

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Solution

The fourth proportional to 8,148.30, 11,244.66 and 4,422.30 is: 6,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.30 : 11,244.66 = 4,422.30 : x
  2. Step 2: Convert to fraction form
    8,148.30/11,244.66 = 4,422.30/x
  3. Step 3: Cross multiply
    8,148.30x = 11,244.66 × 4,422.30
  4. Step 4: Simplify right side
    8,148.30x = 49,727,318.67
  5. Step 5: Solve for x
    x = 49,727,318.67/8,148.30
  6. Step 6: Final answer
    x = 6,102.78

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Half scale
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Double scale
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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.