Home / 11,131.13-16,682.11-6,203.09

Finding the Fourth Proportional to 11,131.13, 16,682.11 and 6,203.09

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Solution

The fourth proportional to 11,131.13, 16,682.11 and 6,203.09 is: 9,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.13 : 16,682.11 = 6,203.09 : x
  2. Step 2: Convert to fraction form
    11,131.13/16,682.11 = 6,203.09/x
  3. Step 3: Cross multiply
    11,131.13x = 16,682.11 × 6,203.09
  4. Step 4: Simplify right side
    11,131.13x = 103,480,530.80
  5. Step 5: Solve for x
    x = 103,480,530.80/11,131.13
  6. Step 6: Final answer
    x = 9,296.50

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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.