Home / 12,432.96-18,651.96-4,110.48

Finding the Fourth Proportional to 12,432.96, 18,651.96 and 4,110.48

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Solution

The fourth proportional to 12,432.96, 18,651.96 and 4,110.48 is: 6,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.96 : 18,651.96 = 4,110.48 : x
  2. Step 2: Convert to fraction form
    12,432.96/18,651.96 = 4,110.48/x
  3. Step 3: Cross multiply
    12,432.96x = 18,651.96 × 4,110.48
  4. Step 4: Simplify right side
    12,432.96x = 76,668,508.54
  5. Step 5: Solve for x
    x = 76,668,508.54/12,432.96
  6. Step 6: Final answer
    x = 6,166.55

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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.