Home / 8,079.08-12,118.89-2,532.61

Finding the Fourth Proportional to 8,079.08, 12,118.89 and 2,532.61

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Solution

The fourth proportional to 8,079.08, 12,118.89 and 2,532.61 is: 3,798.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.08 : 12,118.89 = 2,532.61 : x
  2. Step 2: Convert to fraction form
    8,079.08/12,118.89 = 2,532.61/x
  3. Step 3: Cross multiply
    8,079.08x = 12,118.89 × 2,532.61
  4. Step 4: Simplify right side
    8,079.08x = 30,692,361.41
  5. Step 5: Solve for x
    x = 30,692,361.41/8,079.08
  6. Step 6: Final answer
    x = 3,798.99

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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.