Home / 8,722.87-13,082.33-2,482.75

Finding the Fourth Proportional to 8,722.87, 13,082.33 and 2,482.75

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Solution

The fourth proportional to 8,722.87, 13,082.33 and 2,482.75 is: 3,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.87 : 13,082.33 = 2,482.75 : x
  2. Step 2: Convert to fraction form
    8,722.87/13,082.33 = 2,482.75/x
  3. Step 3: Cross multiply
    8,722.87x = 13,082.33 × 2,482.75
  4. Step 4: Simplify right side
    8,722.87x = 32,480,142.39
  5. Step 5: Solve for x
    x = 32,480,142.39/8,722.87
  6. Step 6: Final answer
    x = 3,723.56

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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.