Home / 11,515.52-17,270.08-4,941.44

Finding the Fourth Proportional to 11,515.52, 17,270.08 and 4,941.44

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Solution

The fourth proportional to 11,515.52, 17,270.08 and 4,941.44 is: 7,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.52 : 17,270.08 = 4,941.44 : x
  2. Step 2: Convert to fraction form
    11,515.52/17,270.08 = 4,941.44/x
  3. Step 3: Cross multiply
    11,515.52x = 17,270.08 × 4,941.44
  4. Step 4: Simplify right side
    11,515.52x = 85,339,064.12
  5. Step 5: Solve for x
    x = 85,339,064.12/11,515.52
  6. Step 6: Final answer
    x = 7,410.79

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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.