Home / 8,867.44-13,286.52-3,929.68

Finding the Fourth Proportional to 8,867.44, 13,286.52 and 3,929.68

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Solution

The fourth proportional to 8,867.44, 13,286.52 and 3,929.68 is: 5,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.44 : 13,286.52 = 3,929.68 : x
  2. Step 2: Convert to fraction form
    8,867.44/13,286.52 = 3,929.68/x
  3. Step 3: Cross multiply
    8,867.44x = 13,286.52 × 3,929.68
  4. Step 4: Simplify right side
    8,867.44x = 52,211,771.91
  5. Step 5: Solve for x
    x = 52,211,771.91/8,867.44
  6. Step 6: Final answer
    x = 5,888.03

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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.