Home / 8,231.36-11,360.52-6,238.62

Finding the Fourth Proportional to 8,231.36, 11,360.52 and 6,238.62

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Solution

The fourth proportional to 8,231.36, 11,360.52 and 6,238.62 is: 8,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.36 : 11,360.52 = 6,238.62 : x
  2. Step 2: Convert to fraction form
    8,231.36/11,360.52 = 6,238.62/x
  3. Step 3: Cross multiply
    8,231.36x = 11,360.52 × 6,238.62
  4. Step 4: Simplify right side
    8,231.36x = 70,873,967.28
  5. Step 5: Solve for x
    x = 70,873,967.28/8,231.36
  6. Step 6: Final answer
    x = 8,610.24

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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.