Home / 11,195.88-16,678.97-10,690.44

Finding the Fourth Proportional to 11,195.88, 16,678.97 and 10,690.44

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Solution

The fourth proportional to 11,195.88, 16,678.97 and 10,690.44 is: 15,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.88 : 16,678.97 = 10,690.44 : x
  2. Step 2: Convert to fraction form
    11,195.88/16,678.97 = 10,690.44/x
  3. Step 3: Cross multiply
    11,195.88x = 16,678.97 × 10,690.44
  4. Step 4: Simplify right side
    11,195.88x = 178,305,474.59
  5. Step 5: Solve for x
    x = 178,305,474.59/11,195.88
  6. Step 6: Final answer
    x = 15,925.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.