Home / 11,723.12-17,584.56-3,515.12

Finding the Fourth Proportional to 11,723.12, 17,584.56 and 3,515.12

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Solution

The fourth proportional to 11,723.12, 17,584.56 and 3,515.12 is: 5,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.12 : 17,584.56 = 3,515.12 : x
  2. Step 2: Convert to fraction form
    11,723.12/17,584.56 = 3,515.12/x
  3. Step 3: Cross multiply
    11,723.12x = 17,584.56 × 3,515.12
  4. Step 4: Simplify right side
    11,723.12x = 61,811,838.55
  5. Step 5: Solve for x
    x = 61,811,838.55/11,723.12
  6. Step 6: Final answer
    x = 5,272.64

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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.