Home / 11,172.72-16,755.12-3,273.06

Finding the Fourth Proportional to 11,172.72, 16,755.12 and 3,273.06

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Solution

The fourth proportional to 11,172.72, 16,755.12 and 3,273.06 is: 4,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.72 : 16,755.12 = 3,273.06 : x
  2. Step 2: Convert to fraction form
    11,172.72/16,755.12 = 3,273.06/x
  3. Step 3: Cross multiply
    11,172.72x = 16,755.12 × 3,273.06
  4. Step 4: Simplify right side
    11,172.72x = 54,840,513.07
  5. Step 5: Solve for x
    x = 54,840,513.07/11,172.72
  6. Step 6: Final answer
    x = 4,908.43

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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.