Home / 9,982.80-14,974.34-3,408.84

Finding the Fourth Proportional to 9,982.80, 14,974.34 and 3,408.84

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Solution

The fourth proportional to 9,982.80, 14,974.34 and 3,408.84 is: 5,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.80 : 14,974.34 = 3,408.84 : x
  2. Step 2: Convert to fraction form
    9,982.80/14,974.34 = 3,408.84/x
  3. Step 3: Cross multiply
    9,982.80x = 14,974.34 × 3,408.84
  4. Step 4: Simplify right side
    9,982.80x = 51,045,112.12
  5. Step 5: Solve for x
    x = 51,045,112.12/9,982.80
  6. Step 6: Final answer
    x = 5,113.31

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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.