Home / 8,249.32-11,382.78-5,267.62

Finding the Fourth Proportional to 8,249.32, 11,382.78 and 5,267.62

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Solution

The fourth proportional to 8,249.32, 11,382.78 and 5,267.62 is: 7,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.32 : 11,382.78 = 5,267.62 : x
  2. Step 2: Convert to fraction form
    8,249.32/11,382.78 = 5,267.62/x
  3. Step 3: Cross multiply
    8,249.32x = 11,382.78 × 5,267.62
  4. Step 4: Simplify right side
    8,249.32x = 59,960,159.58
  5. Step 5: Solve for x
    x = 59,960,159.58/8,249.32
  6. Step 6: Final answer
    x = 7,268.50

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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.