Home / 11,229.87-16,845.09-4,654.29

Finding the Fourth Proportional to 11,229.87, 16,845.09 and 4,654.29

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Solution

The fourth proportional to 11,229.87, 16,845.09 and 4,654.29 is: 6,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.87 : 16,845.09 = 4,654.29 : x
  2. Step 2: Convert to fraction form
    11,229.87/16,845.09 = 4,654.29/x
  3. Step 3: Cross multiply
    11,229.87x = 16,845.09 × 4,654.29
  4. Step 4: Simplify right side
    11,229.87x = 78,401,933.94
  5. Step 5: Solve for x
    x = 78,401,933.94/11,229.87
  6. Step 6: Final answer
    x = 6,981.55

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1.5x scale

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.