Home / 11,704.28-17,556.90-3,913.16

Finding the Fourth Proportional to 11,704.28, 17,556.90 and 3,913.16

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Solution

The fourth proportional to 11,704.28, 17,556.90 and 3,913.16 is: 5,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.28 : 17,556.90 = 3,913.16 : x
  2. Step 2: Convert to fraction form
    11,704.28/17,556.90 = 3,913.16/x
  3. Step 3: Cross multiply
    11,704.28x = 17,556.90 × 3,913.16
  4. Step 4: Simplify right side
    11,704.28x = 68,702,958.80
  5. Step 5: Solve for x
    x = 68,702,958.80/11,704.28
  6. Step 6: Final answer
    x = 5,869.90

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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.