Home / 9,976.40-14,961.72-3,402.44

Finding the Fourth Proportional to 9,976.40, 14,961.72 and 3,402.44

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Solution

The fourth proportional to 9,976.40, 14,961.72 and 3,402.44 is: 5,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.40 : 14,961.72 = 3,402.44 : x
  2. Step 2: Convert to fraction form
    9,976.40/14,961.72 = 3,402.44/x
  3. Step 3: Cross multiply
    9,976.40x = 14,961.72 × 3,402.44
  4. Step 4: Simplify right side
    9,976.40x = 50,906,354.60
  5. Step 5: Solve for x
    x = 50,906,354.60/9,976.40
  6. Step 6: Final answer
    x = 5,102.68

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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.