Home / 11,161.26-16,744.98-9,076.11

Finding the Fourth Proportional to 11,161.26, 16,744.98 and 9,076.11

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Solution

The fourth proportional to 11,161.26, 16,744.98 and 9,076.11 is: 13,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.26 : 16,744.98 = 9,076.11 : x
  2. Step 2: Convert to fraction form
    11,161.26/16,744.98 = 9,076.11/x
  3. Step 3: Cross multiply
    11,161.26x = 16,744.98 × 9,076.11
  4. Step 4: Simplify right side
    11,161.26x = 151,979,280.43
  5. Step 5: Solve for x
    x = 151,979,280.43/11,161.26
  6. Step 6: Final answer
    x = 13,616.68

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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.