Home / 11,815.24-17,728.35-4,800.09

Finding the Fourth Proportional to 11,815.24, 17,728.35 and 4,800.09

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Solution

The fourth proportional to 11,815.24, 17,728.35 and 4,800.09 is: 7,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.24 : 17,728.35 = 4,800.09 : x
  2. Step 2: Convert to fraction form
    11,815.24/17,728.35 = 4,800.09/x
  3. Step 3: Cross multiply
    11,815.24x = 17,728.35 × 4,800.09
  4. Step 4: Simplify right side
    11,815.24x = 85,097,675.55
  5. Step 5: Solve for x
    x = 85,097,675.55/11,815.24
  6. Step 6: Final answer
    x = 7,202.37

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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.