Home / 11,913.87-16,441.17-6,608.58

Finding the Fourth Proportional to 11,913.87, 16,441.17 and 6,608.58

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Solution

The fourth proportional to 11,913.87, 16,441.17 and 6,608.58 is: 9,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.87 : 16,441.17 = 6,608.58 : x
  2. Step 2: Convert to fraction form
    11,913.87/16,441.17 = 6,608.58/x
  3. Step 3: Cross multiply
    11,913.87x = 16,441.17 × 6,608.58
  4. Step 4: Simplify right side
    11,913.87x = 108,652,787.24
  5. Step 5: Solve for x
    x = 108,652,787.24/11,913.87
  6. Step 6: Final answer
    x = 9,119.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.