Home / 11,080.15-16,611.48-5,530.43

Finding the Fourth Proportional to 11,080.15, 16,611.48 and 5,530.43

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Solution

The fourth proportional to 11,080.15, 16,611.48 and 5,530.43 is: 8,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.15 : 16,611.48 = 5,530.43 : x
  2. Step 2: Convert to fraction form
    11,080.15/16,611.48 = 5,530.43/x
  3. Step 3: Cross multiply
    11,080.15x = 16,611.48 × 5,530.43
  4. Step 4: Simplify right side
    11,080.15x = 91,868,668.87
  5. Step 5: Solve for x
    x = 91,868,668.87/11,080.15
  6. Step 6: Final answer
    x = 8,291.29

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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.