Home / 12,371.22-18,559.86-4,051.68

Finding the Fourth Proportional to 12,371.22, 18,559.86 and 4,051.68

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Solution

The fourth proportional to 12,371.22, 18,559.86 and 4,051.68 is: 6,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.22 : 18,559.86 = 4,051.68 : x
  2. Step 2: Convert to fraction form
    12,371.22/18,559.86 = 4,051.68/x
  3. Step 3: Cross multiply
    12,371.22x = 18,559.86 × 4,051.68
  4. Step 4: Simplify right side
    12,371.22x = 75,198,613.56
  5. Step 5: Solve for x
    x = 75,198,613.56/12,371.22
  6. Step 6: Final answer
    x = 6,078.51

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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.