Home / 11,795.30-17,688.21-5,217.02

Finding the Fourth Proportional to 11,795.30, 17,688.21 and 5,217.02

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Solution

The fourth proportional to 11,795.30, 17,688.21 and 5,217.02 is: 7,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.30 : 17,688.21 = 5,217.02 : x
  2. Step 2: Convert to fraction form
    11,795.30/17,688.21 = 5,217.02/x
  3. Step 3: Cross multiply
    11,795.30x = 17,688.21 × 5,217.02
  4. Step 4: Simplify right side
    11,795.30x = 92,279,745.33
  5. Step 5: Solve for x
    x = 92,279,745.33/11,795.30
  6. Step 6: Final answer
    x = 7,823.43

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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.