Home / 8,013.35-12,019.11-2,170.41

Finding the Fourth Proportional to 8,013.35, 12,019.11 and 2,170.41

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Solution

The fourth proportional to 8,013.35, 12,019.11 and 2,170.41 is: 3,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.35 : 12,019.11 = 2,170.41 : x
  2. Step 2: Convert to fraction form
    8,013.35/12,019.11 = 2,170.41/x
  3. Step 3: Cross multiply
    8,013.35x = 12,019.11 × 2,170.41
  4. Step 4: Simplify right side
    8,013.35x = 26,086,396.54
  5. Step 5: Solve for x
    x = 26,086,396.54/8,013.35
  6. Step 6: Final answer
    x = 3,255.37

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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.