Home / 8,482.23-12,723.33-3,288.09

Finding the Fourth Proportional to 8,482.23, 12,723.33 and 3,288.09

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Solution

The fourth proportional to 8,482.23, 12,723.33 and 3,288.09 is: 4,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.23 : 12,723.33 = 3,288.09 : x
  2. Step 2: Convert to fraction form
    8,482.23/12,723.33 = 3,288.09/x
  3. Step 3: Cross multiply
    8,482.23x = 12,723.33 × 3,288.09
  4. Step 4: Simplify right side
    8,482.23x = 41,835,454.14
  5. Step 5: Solve for x
    x = 41,835,454.14/8,482.23
  6. Step 6: Final answer
    x = 4,932.13

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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.