Home / 7,786.52-11,681.56-2,239.91

Finding the Fourth Proportional to 7,786.52, 11,681.56 and 2,239.91

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Solution

The fourth proportional to 7,786.52, 11,681.56 and 2,239.91 is: 3,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.52 : 11,681.56 = 2,239.91 : x
  2. Step 2: Convert to fraction form
    7,786.52/11,681.56 = 2,239.91/x
  3. Step 3: Cross multiply
    7,786.52x = 11,681.56 × 2,239.91
  4. Step 4: Simplify right side
    7,786.52x = 26,165,584.65
  5. Step 5: Solve for x
    x = 26,165,584.65/7,786.52
  6. Step 6: Final answer
    x = 3,360.37

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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.