Home / 11,211.92-16,787.81-6,267.48

Finding the Fourth Proportional to 11,211.92, 16,787.81 and 6,267.48

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Solution

The fourth proportional to 11,211.92, 16,787.81 and 6,267.48 is: 9,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.92 : 16,787.81 = 6,267.48 : x
  2. Step 2: Convert to fraction form
    11,211.92/16,787.81 = 6,267.48/x
  3. Step 3: Cross multiply
    11,211.92x = 16,787.81 × 6,267.48
  4. Step 4: Simplify right side
    11,211.92x = 105,217,180.88
  5. Step 5: Solve for x
    x = 105,217,180.88/11,211.92
  6. Step 6: Final answer
    x = 9,384.40

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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.