Home / 6,932.80-9,567.24-4,138

Finding the Fourth Proportional to 6,932.80, 9,567.24 and 4,138

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Solution

The fourth proportional to 6,932.80, 9,567.24 and 4,138 is: 5,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.80 : 9,567.24 = 4,138 : x
  2. Step 2: Convert to fraction form
    6,932.80/9,567.24 = 4,138/x
  3. Step 3: Cross multiply
    6,932.80x = 9,567.24 × 4,138
  4. Step 4: Simplify right side
    6,932.80x = 39,589,239.12
  5. Step 5: Solve for x
    x = 39,589,239.12/6,932.80
  6. Step 6: Final answer
    x = 5,710.43

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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.