Home / 11,192.46-16,787.42-4,172.71

Finding the Fourth Proportional to 11,192.46, 16,787.42 and 4,172.71

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Solution

The fourth proportional to 11,192.46, 16,787.42 and 4,172.71 is: 6,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.46 : 16,787.42 = 4,172.71 : x
  2. Step 2: Convert to fraction form
    11,192.46/16,787.42 = 4,172.71/x
  3. Step 3: Cross multiply
    11,192.46x = 16,787.42 × 4,172.71
  4. Step 4: Simplify right side
    11,192.46x = 70,049,007.86
  5. Step 5: Solve for x
    x = 70,049,007.86/11,192.46
  6. Step 6: Final answer
    x = 6,258.59

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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.