Home / 11,230.78-15,498.55-6,195.14

Finding the Fourth Proportional to 11,230.78, 15,498.55 and 6,195.14

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Solution

The fourth proportional to 11,230.78, 15,498.55 and 6,195.14 is: 8,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.78 : 15,498.55 = 6,195.14 : x
  2. Step 2: Convert to fraction form
    11,230.78/15,498.55 = 6,195.14/x
  3. Step 3: Cross multiply
    11,230.78x = 15,498.55 × 6,195.14
  4. Step 4: Simplify right side
    11,230.78x = 96,015,594.07
  5. Step 5: Solve for x
    x = 96,015,594.07/11,230.78
  6. Step 6: Final answer
    x = 8,549.33

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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.