Home / 8,276.21-12,414.30-2,432.81

Finding the Fourth Proportional to 8,276.21, 12,414.30 and 2,432.81

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Solution

The fourth proportional to 8,276.21, 12,414.30 and 2,432.81 is: 3,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.21 : 12,414.30 = 2,432.81 : x
  2. Step 2: Convert to fraction form
    8,276.21/12,414.30 = 2,432.81/x
  3. Step 3: Cross multiply
    8,276.21x = 12,414.30 × 2,432.81
  4. Step 4: Simplify right side
    8,276.21x = 30,201,673.34
  5. Step 5: Solve for x
    x = 30,201,673.34/8,276.21
  6. Step 6: Final answer
    x = 3,649.22

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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.