Home / 10,930.56-16,396.74-3,536.21

Finding the Fourth Proportional to 10,930.56, 16,396.74 and 3,536.21

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Solution

The fourth proportional to 10,930.56, 16,396.74 and 3,536.21 is: 5,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.56 : 16,396.74 = 3,536.21 : x
  2. Step 2: Convert to fraction form
    10,930.56/16,396.74 = 3,536.21/x
  3. Step 3: Cross multiply
    10,930.56x = 16,396.74 × 3,536.21
  4. Step 4: Simplify right side
    10,930.56x = 57,982,233.97
  5. Step 5: Solve for x
    x = 57,982,233.97/10,930.56
  6. Step 6: Final answer
    x = 5,304.60

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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.