Home / 8,320.24-12,482.72-2,476.96

Finding the Fourth Proportional to 8,320.24, 12,482.72 and 2,476.96

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Solution

The fourth proportional to 8,320.24, 12,482.72 and 2,476.96 is: 3,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.24 : 12,482.72 = 2,476.96 : x
  2. Step 2: Convert to fraction form
    8,320.24/12,482.72 = 2,476.96/x
  3. Step 3: Cross multiply
    8,320.24x = 12,482.72 × 2,476.96
  4. Step 4: Simplify right side
    8,320.24x = 30,919,198.13
  5. Step 5: Solve for x
    x = 30,919,198.13/8,320.24
  6. Step 6: Final answer
    x = 3,716.14

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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.