Home / 12,039.89-18,060.06-3,275.03

Finding the Fourth Proportional to 12,039.89, 18,060.06 and 3,275.03

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Solution

The fourth proportional to 12,039.89, 18,060.06 and 3,275.03 is: 4,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.89 : 18,060.06 = 3,275.03 : x
  2. Step 2: Convert to fraction form
    12,039.89/18,060.06 = 3,275.03/x
  3. Step 3: Cross multiply
    12,039.89x = 18,060.06 × 3,275.03
  4. Step 4: Simplify right side
    12,039.89x = 59,147,295.73
  5. Step 5: Solve for x
    x = 59,147,295.73/12,039.89
  6. Step 6: Final answer
    x = 4,912.61

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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.