Home / 7,515.06-11,272.86-2,584.68

Finding the Fourth Proportional to 7,515.06, 11,272.86 and 2,584.68

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Solution

The fourth proportional to 7,515.06, 11,272.86 and 2,584.68 is: 3,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.06 : 11,272.86 = 2,584.68 : x
  2. Step 2: Convert to fraction form
    7,515.06/11,272.86 = 2,584.68/x
  3. Step 3: Cross multiply
    7,515.06x = 11,272.86 × 2,584.68
  4. Step 4: Simplify right side
    7,515.06x = 29,136,735.78
  5. Step 5: Solve for x
    x = 29,136,735.78/7,515.06
  6. Step 6: Final answer
    x = 3,877.11

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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.