Home / 11,212.38-16,823.40-4,640.04

Finding the Fourth Proportional to 11,212.38, 16,823.40 and 4,640.04

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Solution

The fourth proportional to 11,212.38, 16,823.40 and 4,640.04 is: 6,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.38 : 16,823.40 = 4,640.04 : x
  2. Step 2: Convert to fraction form
    11,212.38/16,823.40 = 4,640.04/x
  3. Step 3: Cross multiply
    11,212.38x = 16,823.40 × 4,640.04
  4. Step 4: Simplify right side
    11,212.38x = 78,061,248.94
  5. Step 5: Solve for x
    x = 78,061,248.94/11,212.38
  6. Step 6: Final answer
    x = 6,962.06

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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.