Home / 6,932.36-10,399.62-4,158.38

Finding the Fourth Proportional to 6,932.36, 10,399.62 and 4,158.38

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Solution

The fourth proportional to 6,932.36, 10,399.62 and 4,158.38 is: 6,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.36 : 10,399.62 = 4,158.38 : x
  2. Step 2: Convert to fraction form
    6,932.36/10,399.62 = 4,158.38/x
  3. Step 3: Cross multiply
    6,932.36x = 10,399.62 × 4,158.38
  4. Step 4: Simplify right side
    6,932.36x = 43,245,571.82
  5. Step 5: Solve for x
    x = 43,245,571.82/6,932.36
  6. Step 6: Final answer
    x = 6,238.22

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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.