Home / 8,229.96-12,344.58-2,386.44

Finding the Fourth Proportional to 8,229.96, 12,344.58 and 2,386.44

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Solution

The fourth proportional to 8,229.96, 12,344.58 and 2,386.44 is: 3,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.96 : 12,344.58 = 2,386.44 : x
  2. Step 2: Convert to fraction form
    8,229.96/12,344.58 = 2,386.44/x
  3. Step 3: Cross multiply
    8,229.96x = 12,344.58 × 2,386.44
  4. Step 4: Simplify right side
    8,229.96x = 29,459,599.50
  5. Step 5: Solve for x
    x = 29,459,599.50/8,229.96
  6. Step 6: Final answer
    x = 3,579.56

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Half scale
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Double scale
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Similar ratio
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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.