Home / 11,729.67-17,584.80-5,486.61

Finding the Fourth Proportional to 11,729.67, 17,584.80 and 5,486.61

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Solution

The fourth proportional to 11,729.67, 17,584.80 and 5,486.61 is: 8,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.67 : 17,584.80 = 5,486.61 : x
  2. Step 2: Convert to fraction form
    11,729.67/17,584.80 = 5,486.61/x
  3. Step 3: Cross multiply
    11,729.67x = 17,584.80 × 5,486.61
  4. Step 4: Simplify right side
    11,729.67x = 96,480,851.60
  5. Step 5: Solve for x
    x = 96,480,851.60/11,729.67
  6. Step 6: Final answer
    x = 8,225.37

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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.