Home / 11,161.42-16,731.48-3,762.07

Finding the Fourth Proportional to 11,161.42, 16,731.48 and 3,762.07

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Solution

The fourth proportional to 11,161.42, 16,731.48 and 3,762.07 is: 5,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.42 : 16,731.48 = 3,762.07 : x
  2. Step 2: Convert to fraction form
    11,161.42/16,731.48 = 3,762.07/x
  3. Step 3: Cross multiply
    11,161.42x = 16,731.48 × 3,762.07
  4. Step 4: Simplify right side
    11,161.42x = 62,944,998.96
  5. Step 5: Solve for x
    x = 62,944,998.96/11,161.42
  6. Step 6: Final answer
    x = 5,639.52

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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.