Home / 12,040.26-18,060.88-3,719.54

Finding the Fourth Proportional to 12,040.26, 18,060.88 and 3,719.54

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Solution

The fourth proportional to 12,040.26, 18,060.88 and 3,719.54 is: 5,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.26 : 18,060.88 = 3,719.54 : x
  2. Step 2: Convert to fraction form
    12,040.26/18,060.88 = 3,719.54/x
  3. Step 3: Cross multiply
    12,040.26x = 18,060.88 × 3,719.54
  4. Step 4: Simplify right side
    12,040.26x = 67,178,165.60
  5. Step 5: Solve for x
    x = 67,178,165.60/12,040.26
  6. Step 6: Final answer
    x = 5,579.46

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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.