Home / 12,232.13-18,352.31-5,211.86

Finding the Fourth Proportional to 12,232.13, 18,352.31 and 5,211.86

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Solution

The fourth proportional to 12,232.13, 18,352.31 and 5,211.86 is: 7,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.13 : 18,352.31 = 5,211.86 : x
  2. Step 2: Convert to fraction form
    12,232.13/18,352.31 = 5,211.86/x
  3. Step 3: Cross multiply
    12,232.13x = 18,352.31 × 5,211.86
  4. Step 4: Simplify right side
    12,232.13x = 95,649,552.58
  5. Step 5: Solve for x
    x = 95,649,552.58/12,232.13
  6. Step 6: Final answer
    x = 7,819.54

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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.