Home / 11,199.60-16,787.68-4,176.79

Finding the Fourth Proportional to 11,199.60, 16,787.68 and 4,176.79

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Solution

The fourth proportional to 11,199.60, 16,787.68 and 4,176.79 is: 6,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.60 : 16,787.68 = 4,176.79 : x
  2. Step 2: Convert to fraction form
    11,199.60/16,787.68 = 4,176.79/x
  3. Step 3: Cross multiply
    11,199.60x = 16,787.68 × 4,176.79
  4. Step 4: Simplify right side
    11,199.60x = 70,118,509.12
  5. Step 5: Solve for x
    x = 70,118,509.12/11,199.60
  6. Step 6: Final answer
    x = 6,260.81

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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.