Home / 7,991.82-11,032.76-6,195.34

Finding the Fourth Proportional to 7,991.82, 11,032.76 and 6,195.34

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Solution

The fourth proportional to 7,991.82, 11,032.76 and 6,195.34 is: 8,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.82 : 11,032.76 = 6,195.34 : x
  2. Step 2: Convert to fraction form
    7,991.82/11,032.76 = 6,195.34/x
  3. Step 3: Cross multiply
    7,991.82x = 11,032.76 × 6,195.34
  4. Step 4: Simplify right side
    7,991.82x = 68,351,699.34
  5. Step 5: Solve for x
    x = 68,351,699.34/7,991.82
  6. Step 6: Final answer
    x = 8,552.71

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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.