Home / 8,115.75-11,203.38-5,995.58

Finding the Fourth Proportional to 8,115.75, 11,203.38 and 5,995.58

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Solution

The fourth proportional to 8,115.75, 11,203.38 and 5,995.58 is: 8,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.75 : 11,203.38 = 5,995.58 : x
  2. Step 2: Convert to fraction form
    8,115.75/11,203.38 = 5,995.58/x
  3. Step 3: Cross multiply
    8,115.75x = 11,203.38 × 5,995.58
  4. Step 4: Simplify right side
    8,115.75x = 67,170,705.04
  5. Step 5: Solve for x
    x = 67,170,705.04/8,115.75
  6. Step 6: Final answer
    x = 8,276.59

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.