Home / 6,911.15-10,368.19-2,231.42

Finding the Fourth Proportional to 6,911.15, 10,368.19 and 2,231.42

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Solution

The fourth proportional to 6,911.15, 10,368.19 and 2,231.42 is: 3,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.15 : 10,368.19 = 2,231.42 : x
  2. Step 2: Convert to fraction form
    6,911.15/10,368.19 = 2,231.42/x
  3. Step 3: Cross multiply
    6,911.15x = 10,368.19 × 2,231.42
  4. Step 4: Simplify right side
    6,911.15x = 23,135,786.53
  5. Step 5: Solve for x
    x = 23,135,786.53/6,911.15
  6. Step 6: Final answer
    x = 3,347.60

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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.