Home / 11,386.97-17,080.83-3,996.57

Finding the Fourth Proportional to 11,386.97, 17,080.83 and 3,996.57

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Solution

The fourth proportional to 11,386.97, 17,080.83 and 3,996.57 is: 5,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.97 : 17,080.83 = 3,996.57 : x
  2. Step 2: Convert to fraction form
    11,386.97/17,080.83 = 3,996.57/x
  3. Step 3: Cross multiply
    11,386.97x = 17,080.83 × 3,996.57
  4. Step 4: Simplify right side
    11,386.97x = 68,264,732.75
  5. Step 5: Solve for x
    x = 68,264,732.75/11,386.97
  6. Step 6: Final answer
    x = 5,994.99

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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.