Home / 8,155.14-12,232.71-3,227.10

Finding the Fourth Proportional to 8,155.14, 12,232.71 and 3,227.10

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Solution

The fourth proportional to 8,155.14, 12,232.71 and 3,227.10 is: 4,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.14 : 12,232.71 = 3,227.10 : x
  2. Step 2: Convert to fraction form
    8,155.14/12,232.71 = 3,227.10/x
  3. Step 3: Cross multiply
    8,155.14x = 12,232.71 × 3,227.10
  4. Step 4: Simplify right side
    8,155.14x = 39,476,178.44
  5. Step 5: Solve for x
    x = 39,476,178.44/8,155.14
  6. Step 6: Final answer
    x = 4,840.65

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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.