Home / 12,022.38-16,591.75-6,644.70

Finding the Fourth Proportional to 12,022.38, 16,591.75 and 6,644.70

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Solution

The fourth proportional to 12,022.38, 16,591.75 and 6,644.70 is: 9,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.38 : 16,591.75 = 6,644.70 : x
  2. Step 2: Convert to fraction form
    12,022.38/16,591.75 = 6,644.70/x
  3. Step 3: Cross multiply
    12,022.38x = 16,591.75 × 6,644.70
  4. Step 4: Simplify right side
    12,022.38x = 110,247,238.53
  5. Step 5: Solve for x
    x = 110,247,238.53/12,022.38
  6. Step 6: Final answer
    x = 9,170.17

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Half scale
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Double scale
Find fourth proportional to 12,023.38, 16,593.13 and 6,645.70
Similar ratio
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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.