Home / 8,929.92-13,395.60-3,086.58

Finding the Fourth Proportional to 8,929.92, 13,395.60 and 3,086.58

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Solution

The fourth proportional to 8,929.92, 13,395.60 and 3,086.58 is: 4,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.92 : 13,395.60 = 3,086.58 : x
  2. Step 2: Convert to fraction form
    8,929.92/13,395.60 = 3,086.58/x
  3. Step 3: Cross multiply
    8,929.92x = 13,395.60 × 3,086.58
  4. Step 4: Simplify right side
    8,929.92x = 41,346,591.05
  5. Step 5: Solve for x
    x = 41,346,591.05/8,929.92
  6. Step 6: Final answer
    x = 4,630.12

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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.