Home / 8,226.52-12,340.94-2,678.08

Finding the Fourth Proportional to 8,226.52, 12,340.94 and 2,678.08

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Solution

The fourth proportional to 8,226.52, 12,340.94 and 2,678.08 is: 4,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.52 : 12,340.94 = 2,678.08 : x
  2. Step 2: Convert to fraction form
    8,226.52/12,340.94 = 2,678.08/x
  3. Step 3: Cross multiply
    8,226.52x = 12,340.94 × 2,678.08
  4. Step 4: Simplify right side
    8,226.52x = 33,050,024.60
  5. Step 5: Solve for x
    x = 33,050,024.60/8,226.52
  6. Step 6: Final answer
    x = 4,017.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.