Home / 12,012.06-18,020.58-4,115.17

Finding the Fourth Proportional to 12,012.06, 18,020.58 and 4,115.17

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Solution

The fourth proportional to 12,012.06, 18,020.58 and 4,115.17 is: 6,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.06 : 18,020.58 = 4,115.17 : x
  2. Step 2: Convert to fraction form
    12,012.06/18,020.58 = 4,115.17/x
  3. Step 3: Cross multiply
    12,012.06x = 18,020.58 × 4,115.17
  4. Step 4: Simplify right side
    12,012.06x = 74,157,757.29
  5. Step 5: Solve for x
    x = 74,157,757.29/12,012.06
  6. Step 6: Final answer
    x = 6,173.61

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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.