Home / 12,059.44-18,089.76-3,745.12

Finding the Fourth Proportional to 12,059.44, 18,089.76 and 3,745.12

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Solution

The fourth proportional to 12,059.44, 18,089.76 and 3,745.12 is: 5,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.44 : 18,089.76 = 3,745.12 : x
  2. Step 2: Convert to fraction form
    12,059.44/18,089.76 = 3,745.12/x
  3. Step 3: Cross multiply
    12,059.44x = 18,089.76 × 3,745.12
  4. Step 4: Simplify right side
    12,059.44x = 67,748,321.97
  5. Step 5: Solve for x
    x = 67,748,321.97/12,059.44
  6. Step 6: Final answer
    x = 5,617.87

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1.5x scale

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.