Home / 11,370.40-17,051.28-3,974.56

Finding the Fourth Proportional to 11,370.40, 17,051.28 and 3,974.56

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Solution

The fourth proportional to 11,370.40, 17,051.28 and 3,974.56 is: 5,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.40 : 17,051.28 = 3,974.56 : x
  2. Step 2: Convert to fraction form
    11,370.40/17,051.28 = 3,974.56/x
  3. Step 3: Cross multiply
    11,370.40x = 17,051.28 × 3,974.56
  4. Step 4: Simplify right side
    11,370.40x = 67,771,335.44
  5. Step 5: Solve for x
    x = 67,771,335.44/11,370.40
  6. Step 6: Final answer
    x = 5,960.33

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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.