Home / 6,851.11-10,279.91-4,745.98

Finding the Fourth Proportional to 6,851.11, 10,279.91 and 4,745.98

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Solution

The fourth proportional to 6,851.11, 10,279.91 and 4,745.98 is: 7,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.11 : 10,279.91 = 4,745.98 : x
  2. Step 2: Convert to fraction form
    6,851.11/10,279.91 = 4,745.98/x
  3. Step 3: Cross multiply
    6,851.11x = 10,279.91 × 4,745.98
  4. Step 4: Simplify right side
    6,851.11x = 48,788,267.53
  5. Step 5: Solve for x
    x = 48,788,267.53/6,851.11
  6. Step 6: Final answer
    x = 7,121.22

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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.