Home / 6,536.16-9,789.12-3,933.36

Finding the Fourth Proportional to 6,536.16, 9,789.12 and 3,933.36

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Solution

The fourth proportional to 6,536.16, 9,789.12 and 3,933.36 is: 5,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,536.16 : 9,789.12 = 3,933.36 : x
  2. Step 2: Convert to fraction form
    6,536.16/9,789.12 = 3,933.36/x
  3. Step 3: Cross multiply
    6,536.16x = 9,789.12 × 3,933.36
  4. Step 4: Simplify right side
    6,536.16x = 38,504,133.04
  5. Step 5: Solve for x
    x = 38,504,133.04/6,536.16
  6. Step 6: Final answer
    x = 5,890.94

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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.