Home / 6,172.76-9,249.42-3,395.36

Finding the Fourth Proportional to 6,172.76, 9,249.42 and 3,395.36

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Solution

The fourth proportional to 6,172.76, 9,249.42 and 3,395.36 is: 5,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.76 : 9,249.42 = 3,395.36 : x
  2. Step 2: Convert to fraction form
    6,172.76/9,249.42 = 3,395.36/x
  3. Step 3: Cross multiply
    6,172.76x = 9,249.42 × 3,395.36
  4. Step 4: Simplify right side
    6,172.76x = 31,405,110.69
  5. Step 5: Solve for x
    x = 31,405,110.69/6,172.76
  6. Step 6: Final answer
    x = 5,087.69

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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.