Home / 11,299.53-16,950.28-2,979.48

Finding the Fourth Proportional to 11,299.53, 16,950.28 and 2,979.48

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Solution

The fourth proportional to 11,299.53, 16,950.28 and 2,979.48 is: 4,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.53 : 16,950.28 = 2,979.48 : x
  2. Step 2: Convert to fraction form
    11,299.53/16,950.28 = 2,979.48/x
  3. Step 3: Cross multiply
    11,299.53x = 16,950.28 × 2,979.48
  4. Step 4: Simplify right side
    11,299.53x = 50,503,020.25
  5. Step 5: Solve for x
    x = 50,503,020.25/11,299.53
  6. Step 6: Final answer
    x = 4,469.48

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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.