Home / 11,180.34-16,770.66-2,860.42

Finding the Fourth Proportional to 11,180.34, 16,770.66 and 2,860.42

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Solution

The fourth proportional to 11,180.34, 16,770.66 and 2,860.42 is: 4,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.34 : 16,770.66 = 2,860.42 : x
  2. Step 2: Convert to fraction form
    11,180.34/16,770.66 = 2,860.42/x
  3. Step 3: Cross multiply
    11,180.34x = 16,770.66 × 2,860.42
  4. Step 4: Simplify right side
    11,180.34x = 47,971,131.28
  5. Step 5: Solve for x
    x = 47,971,131.28/11,180.34
  6. Step 6: Final answer
    x = 4,290.67

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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.