Home / 11,944.80-17,915.04-5,284.26

Finding the Fourth Proportional to 11,944.80, 17,915.04 and 5,284.26

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Solution

The fourth proportional to 11,944.80, 17,915.04 and 5,284.26 is: 7,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.80 : 17,915.04 = 5,284.26 : x
  2. Step 2: Convert to fraction form
    11,944.80/17,915.04 = 5,284.26/x
  3. Step 3: Cross multiply
    11,944.80x = 17,915.04 × 5,284.26
  4. Step 4: Simplify right side
    11,944.80x = 94,667,729.27
  5. Step 5: Solve for x
    x = 94,667,729.27/11,944.80
  6. Step 6: Final answer
    x = 7,925.43

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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.