Home / 11,231.66-15,499.35-6,195.69

Finding the Fourth Proportional to 11,231.66, 15,499.35 and 6,195.69

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Solution

The fourth proportional to 11,231.66, 15,499.35 and 6,195.69 is: 8,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.66 : 15,499.35 = 6,195.69 : x
  2. Step 2: Convert to fraction form
    11,231.66/15,499.35 = 6,195.69/x
  3. Step 3: Cross multiply
    11,231.66x = 15,499.35 × 6,195.69
  4. Step 4: Simplify right side
    11,231.66x = 96,029,167.80
  5. Step 5: Solve for x
    x = 96,029,167.80/11,231.66
  6. Step 6: Final answer
    x = 8,549.86

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Half scale
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Double scale
Find fourth proportional to 11,232.66, 15,500.73 and 6,196.69
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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.