Home / 8,076.12-12,114.82-2,232.68

Finding the Fourth Proportional to 8,076.12, 12,114.82 and 2,232.68

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Solution

The fourth proportional to 8,076.12, 12,114.82 and 2,232.68 is: 3,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.12 : 12,114.82 = 2,232.68 : x
  2. Step 2: Convert to fraction form
    8,076.12/12,114.82 = 2,232.68/x
  3. Step 3: Cross multiply
    8,076.12x = 12,114.82 × 2,232.68
  4. Step 4: Simplify right side
    8,076.12x = 27,048,516.32
  5. Step 5: Solve for x
    x = 27,048,516.32/8,076.12
  6. Step 6: Final answer
    x = 3,349.20

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Half scale
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Double scale
Find fourth proportional to 8,077.12, 12,116.32 and 2,233.68
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.