Home / 11,704.10-17,550.68-5,135.81

Finding the Fourth Proportional to 11,704.10, 17,550.68 and 5,135.81

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Solution

The fourth proportional to 11,704.10, 17,550.68 and 5,135.81 is: 7,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.10 : 17,550.68 = 5,135.81 : x
  2. Step 2: Convert to fraction form
    11,704.10/17,550.68 = 5,135.81/x
  3. Step 3: Cross multiply
    11,704.10x = 17,550.68 × 5,135.81
  4. Step 4: Simplify right side
    11,704.10x = 90,136,844.42
  5. Step 5: Solve for x
    x = 90,136,844.42/11,704.10
  6. Step 6: Final answer
    x = 7,701.31

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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.