Home / 11,161.90-16,745.15-3,666.02

Finding the Fourth Proportional to 11,161.90, 16,745.15 and 3,666.02

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Solution

The fourth proportional to 11,161.90, 16,745.15 and 3,666.02 is: 5,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.90 : 16,745.15 = 3,666.02 : x
  2. Step 2: Convert to fraction form
    11,161.90/16,745.15 = 3,666.02/x
  3. Step 3: Cross multiply
    11,161.90x = 16,745.15 × 3,666.02
  4. Step 4: Simplify right side
    11,161.90x = 61,388,036.47
  5. Step 5: Solve for x
    x = 61,388,036.47/11,161.90
  6. Step 6: Final answer
    x = 5,499.79

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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.