Home / 11,186.16-16,782.12-3,395.04

Finding the Fourth Proportional to 11,186.16, 16,782.12 and 3,395.04

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Solution

The fourth proportional to 11,186.16, 16,782.12 and 3,395.04 is: 5,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.16 : 16,782.12 = 3,395.04 : x
  2. Step 2: Convert to fraction form
    11,186.16/16,782.12 = 3,395.04/x
  3. Step 3: Cross multiply
    11,186.16x = 16,782.12 × 3,395.04
  4. Step 4: Simplify right side
    11,186.16x = 56,975,968.68
  5. Step 5: Solve for x
    x = 56,975,968.68/11,186.16
  6. Step 6: Final answer
    x = 5,093.43

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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.