Home / 11,188.10-16,782.16-3,399.14

Finding the Fourth Proportional to 11,188.10, 16,782.16 and 3,399.14

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Solution

The fourth proportional to 11,188.10, 16,782.16 and 3,399.14 is: 5,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.10 : 16,782.16 = 3,399.14 : x
  2. Step 2: Convert to fraction form
    11,188.10/16,782.16 = 3,399.14/x
  3. Step 3: Cross multiply
    11,188.10x = 16,782.16 × 3,399.14
  4. Step 4: Simplify right side
    11,188.10x = 57,044,911.34
  5. Step 5: Solve for x
    x = 57,044,911.34/11,188.10
  6. Step 6: Final answer
    x = 5,098.71

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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.