Home / 11,161.05-16,729.89-3,762.96

Finding the Fourth Proportional to 11,161.05, 16,729.89 and 3,762.96

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Solution

The fourth proportional to 11,161.05, 16,729.89 and 3,762.96 is: 5,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.05 : 16,729.89 = 3,762.96 : x
  2. Step 2: Convert to fraction form
    11,161.05/16,729.89 = 3,762.96/x
  3. Step 3: Cross multiply
    11,161.05x = 16,729.89 × 3,762.96
  4. Step 4: Simplify right side
    11,161.05x = 62,953,906.87
  5. Step 5: Solve for x
    x = 62,953,906.87/11,161.05
  6. Step 6: Final answer
    x = 5,640.50

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1.5x scale

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.