Home / 11,531.80-17,284.26-5,292.47

Finding the Fourth Proportional to 11,531.80, 17,284.26 and 5,292.47

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Solution

The fourth proportional to 11,531.80, 17,284.26 and 5,292.47 is: 7,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.80 : 17,284.26 = 5,292.47 : x
  2. Step 2: Convert to fraction form
    11,531.80/17,284.26 = 5,292.47/x
  3. Step 3: Cross multiply
    11,531.80x = 17,284.26 × 5,292.47
  4. Step 4: Simplify right side
    11,531.80x = 91,476,475.69
  5. Step 5: Solve for x
    x = 91,476,475.69/11,531.80
  6. Step 6: Final answer
    x = 7,932.54

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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.