Home / 11,212.88-16,823.04-4,972.04

Finding the Fourth Proportional to 11,212.88, 16,823.04 and 4,972.04

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Solution

The fourth proportional to 11,212.88, 16,823.04 and 4,972.04 is: 7,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.88 : 16,823.04 = 4,972.04 : x
  2. Step 2: Convert to fraction form
    11,212.88/16,823.04 = 4,972.04/x
  3. Step 3: Cross multiply
    11,212.88x = 16,823.04 × 4,972.04
  4. Step 4: Simplify right side
    11,212.88x = 83,644,827.80
  5. Step 5: Solve for x
    x = 83,644,827.80/11,212.88
  6. Step 6: Final answer
    x = 7,459.71

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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.