Home / 11,756.97-17,622.29-8,974.42

Finding the Fourth Proportional to 11,756.97, 17,622.29 and 8,974.42

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Solution

The fourth proportional to 11,756.97, 17,622.29 and 8,974.42 is: 13,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.97 : 17,622.29 = 8,974.42 : x
  2. Step 2: Convert to fraction form
    11,756.97/17,622.29 = 8,974.42/x
  3. Step 3: Cross multiply
    11,756.97x = 17,622.29 × 8,974.42
  4. Step 4: Simplify right side
    11,756.97x = 158,149,810.20
  5. Step 5: Solve for x
    x = 158,149,810.20/11,756.97
  6. Step 6: Final answer
    x = 13,451.58

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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.