Home / 7,174.44-10,745.82-5,518.80

Finding the Fourth Proportional to 7,174.44, 10,745.82 and 5,518.80

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Solution

The fourth proportional to 7,174.44, 10,745.82 and 5,518.80 is: 8,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.44 : 10,745.82 = 5,518.80 : x
  2. Step 2: Convert to fraction form
    7,174.44/10,745.82 = 5,518.80/x
  3. Step 3: Cross multiply
    7,174.44x = 10,745.82 × 5,518.80
  4. Step 4: Simplify right side
    7,174.44x = 59,304,031.42
  5. Step 5: Solve for x
    x = 59,304,031.42/7,174.44
  6. Step 6: Final answer
    x = 8,266.02

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1.5x scale

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.