Home / 11,231.36-15,499.26-6,451.62

Finding the Fourth Proportional to 11,231.36, 15,499.26 and 6,451.62

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Solution

The fourth proportional to 11,231.36, 15,499.26 and 6,451.62 is: 8,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.36 : 15,499.26 = 6,451.62 : x
  2. Step 2: Convert to fraction form
    11,231.36/15,499.26 = 6,451.62/x
  3. Step 3: Cross multiply
    11,231.36x = 15,499.26 × 6,451.62
  4. Step 4: Simplify right side
    11,231.36x = 99,995,335.80
  5. Step 5: Solve for x
    x = 99,995,335.80/11,231.36
  6. Step 6: Final answer
    x = 8,903.23

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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.