Home / 8,170.03-12,253.57-2,166.14

Finding the Fourth Proportional to 8,170.03, 12,253.57 and 2,166.14

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Solution

The fourth proportional to 8,170.03, 12,253.57 and 2,166.14 is: 3,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.03 : 12,253.57 = 2,166.14 : x
  2. Step 2: Convert to fraction form
    8,170.03/12,253.57 = 2,166.14/x
  3. Step 3: Cross multiply
    8,170.03x = 12,253.57 × 2,166.14
  4. Step 4: Simplify right side
    8,170.03x = 26,542,973.34
  5. Step 5: Solve for x
    x = 26,542,973.34/8,170.03
  6. Step 6: Final answer
    x = 3,248.82

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Half scale
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Double scale
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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.