Home / 10,982.06-16,474.70-3,189.86

Finding the Fourth Proportional to 10,982.06, 16,474.70 and 3,189.86

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Solution

The fourth proportional to 10,982.06, 16,474.70 and 3,189.86 is: 4,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.06 : 16,474.70 = 3,189.86 : x
  2. Step 2: Convert to fraction form
    10,982.06/16,474.70 = 3,189.86/x
  3. Step 3: Cross multiply
    10,982.06x = 16,474.70 × 3,189.86
  4. Step 4: Simplify right side
    10,982.06x = 52,551,986.54
  5. Step 5: Solve for x
    x = 52,551,986.54/10,982.06
  6. Step 6: Final answer
    x = 4,785.26

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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.