Home / 11,187.39-16,770.60-3,786.67

Finding the Fourth Proportional to 11,187.39, 16,770.60 and 3,786.67

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Solution

The fourth proportional to 11,187.39, 16,770.60 and 3,786.67 is: 5,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.39 : 16,770.60 = 3,786.67 : x
  2. Step 2: Convert to fraction form
    11,187.39/16,770.60 = 3,786.67/x
  3. Step 3: Cross multiply
    11,187.39x = 16,770.60 × 3,786.67
  4. Step 4: Simplify right side
    11,187.39x = 63,504,685.98
  5. Step 5: Solve for x
    x = 63,504,685.98/11,187.39
  6. Step 6: Final answer
    x = 5,676.45

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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.