Home / 7,408.83-11,121.91-5,849.89

Finding the Fourth Proportional to 7,408.83, 11,121.91 and 5,849.89

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Solution

The fourth proportional to 7,408.83, 11,121.91 and 5,849.89 is: 8,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.83 : 11,121.91 = 5,849.89 : x
  2. Step 2: Convert to fraction form
    7,408.83/11,121.91 = 5,849.89/x
  3. Step 3: Cross multiply
    7,408.83x = 11,121.91 × 5,849.89
  4. Step 4: Simplify right side
    7,408.83x = 65,061,907.66
  5. Step 5: Solve for x
    x = 65,061,907.66/7,408.83
  6. Step 6: Final answer
    x = 8,781.67

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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.