Home / 8,269.68-12,405.30-2,723.08

Finding the Fourth Proportional to 8,269.68, 12,405.30 and 2,723.08

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Solution

The fourth proportional to 8,269.68, 12,405.30 and 2,723.08 is: 4,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.68 : 12,405.30 = 2,723.08 : x
  2. Step 2: Convert to fraction form
    8,269.68/12,405.30 = 2,723.08/x
  3. Step 3: Cross multiply
    8,269.68x = 12,405.30 × 2,723.08
  4. Step 4: Simplify right side
    8,269.68x = 33,780,624.32
  5. Step 5: Solve for x
    x = 33,780,624.32/8,269.68
  6. Step 6: Final answer
    x = 4,084.88

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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.