Home / 12,371.24-18,558.80-4,049.30

Finding the Fourth Proportional to 12,371.24, 18,558.80 and 4,049.30

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Solution

The fourth proportional to 12,371.24, 18,558.80 and 4,049.30 is: 6,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.24 : 18,558.80 = 4,049.30 : x
  2. Step 2: Convert to fraction form
    12,371.24/18,558.80 = 4,049.30/x
  3. Step 3: Cross multiply
    12,371.24x = 18,558.80 × 4,049.30
  4. Step 4: Simplify right side
    12,371.24x = 75,150,035.80
  5. Step 5: Solve for x
    x = 75,150,035.80/12,371.24
  6. Step 6: Final answer
    x = 6,074.58

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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.