Home / 8,020.97-12,031.46-3,577.49

Finding the Fourth Proportional to 8,020.97, 12,031.46 and 3,577.49

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Solution

The fourth proportional to 8,020.97, 12,031.46 and 3,577.49 is: 5,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.97 : 12,031.46 = 3,577.49 : x
  2. Step 2: Convert to fraction form
    8,020.97/12,031.46 = 3,577.49/x
  3. Step 3: Cross multiply
    8,020.97x = 12,031.46 × 3,577.49
  4. Step 4: Simplify right side
    8,020.97x = 43,042,427.84
  5. Step 5: Solve for x
    x = 43,042,427.84/8,020.97
  6. Step 6: Final answer
    x = 5,366.24

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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.