Home / 8,077.89-12,119.28-2,532.03

Finding the Fourth Proportional to 8,077.89, 12,119.28 and 2,532.03

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Solution

The fourth proportional to 8,077.89, 12,119.28 and 2,532.03 is: 3,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.89 : 12,119.28 = 2,532.03 : x
  2. Step 2: Convert to fraction form
    8,077.89/12,119.28 = 2,532.03/x
  3. Step 3: Cross multiply
    8,077.89x = 12,119.28 × 2,532.03
  4. Step 4: Simplify right side
    8,077.89x = 30,686,380.54
  5. Step 5: Solve for x
    x = 30,686,380.54/8,077.89
  6. Step 6: Final answer
    x = 3,798.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.