Home / 11,954.20-17,931.14-5,375.74

Finding the Fourth Proportional to 11,954.20, 17,931.14 and 5,375.74

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Solution

The fourth proportional to 11,954.20, 17,931.14 and 5,375.74 is: 8,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.20 : 17,931.14 = 5,375.74 : x
  2. Step 2: Convert to fraction form
    11,954.20/17,931.14 = 5,375.74/x
  3. Step 3: Cross multiply
    11,954.20x = 17,931.14 × 5,375.74
  4. Step 4: Simplify right side
    11,954.20x = 96,393,030.01
  5. Step 5: Solve for x
    x = 96,393,030.01/11,954.20
  6. Step 6: Final answer
    x = 8,063.53

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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.