Home / 12,439.27-17,165.41-6,850.27

Finding the Fourth Proportional to 12,439.27, 17,165.41 and 6,850.27

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Solution

The fourth proportional to 12,439.27, 17,165.41 and 6,850.27 is: 9,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.27 : 17,165.41 = 6,850.27 : x
  2. Step 2: Convert to fraction form
    12,439.27/17,165.41 = 6,850.27/x
  3. Step 3: Cross multiply
    12,439.27x = 17,165.41 × 6,850.27
  4. Step 4: Simplify right side
    12,439.27x = 117,587,693.16
  5. Step 5: Solve for x
    x = 117,587,693.16/12,439.27
  6. Step 6: Final answer
    x = 9,452.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.