Home / 8,067.69-11,137.17-5,383.38

Finding the Fourth Proportional to 8,067.69, 11,137.17 and 5,383.38

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Solution

The fourth proportional to 8,067.69, 11,137.17 and 5,383.38 is: 7,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.69 : 11,137.17 = 5,383.38 : x
  2. Step 2: Convert to fraction form
    8,067.69/11,137.17 = 5,383.38/x
  3. Step 3: Cross multiply
    8,067.69x = 11,137.17 × 5,383.38
  4. Step 4: Simplify right side
    8,067.69x = 59,955,618.23
  5. Step 5: Solve for x
    x = 59,955,618.23/8,067.69
  6. Step 6: Final answer
    x = 7,431.57

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