Home / 10,774.13-16,161.21-2,982.96

Finding the Fourth Proportional to 10,774.13, 16,161.21 and 2,982.96

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Solution

The fourth proportional to 10,774.13, 16,161.21 and 2,982.96 is: 4,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.13 : 16,161.21 = 2,982.96 : x
  2. Step 2: Convert to fraction form
    10,774.13/16,161.21 = 2,982.96/x
  3. Step 3: Cross multiply
    10,774.13x = 16,161.21 × 2,982.96
  4. Step 4: Simplify right side
    10,774.13x = 48,208,242.98
  5. Step 5: Solve for x
    x = 48,208,242.98/10,774.13
  6. Step 6: Final answer
    x = 4,474.45

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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.