Home / 10,214.48-15,322.66-3,974.96

Finding the Fourth Proportional to 10,214.48, 15,322.66 and 3,974.96

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Solution

The fourth proportional to 10,214.48, 15,322.66 and 3,974.96 is: 5,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.48 : 15,322.66 = 3,974.96 : x
  2. Step 2: Convert to fraction form
    10,214.48/15,322.66 = 3,974.96/x
  3. Step 3: Cross multiply
    10,214.48x = 15,322.66 × 3,974.96
  4. Step 4: Simplify right side
    10,214.48x = 60,906,960.59
  5. Step 5: Solve for x
    x = 60,906,960.59/10,214.48
  6. Step 6: Final answer
    x = 5,962.81

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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.