Home / 11,186.42-16,782.33-3,394.76

Finding the Fourth Proportional to 11,186.42, 16,782.33 and 3,394.76

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Solution

The fourth proportional to 11,186.42, 16,782.33 and 3,394.76 is: 5,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.42 : 16,782.33 = 3,394.76 : x
  2. Step 2: Convert to fraction form
    11,186.42/16,782.33 = 3,394.76/x
  3. Step 3: Cross multiply
    11,186.42x = 16,782.33 × 3,394.76
  4. Step 4: Simplify right side
    11,186.42x = 56,971,982.59
  5. Step 5: Solve for x
    x = 56,971,982.59/11,186.42
  6. Step 6: Final answer
    x = 5,092.96

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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.