Home / 12,093.54-16,680.68-9,855.42

Finding the Fourth Proportional to 12,093.54, 16,680.68 and 9,855.42

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Solution

The fourth proportional to 12,093.54, 16,680.68 and 9,855.42 is: 13,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.54 : 16,680.68 = 9,855.42 : x
  2. Step 2: Convert to fraction form
    12,093.54/16,680.68 = 9,855.42/x
  3. Step 3: Cross multiply
    12,093.54x = 16,680.68 × 9,855.42
  4. Step 4: Simplify right side
    12,093.54x = 164,395,107.29
  5. Step 5: Solve for x
    x = 164,395,107.29/12,093.54
  6. Step 6: Final answer
    x = 13,593.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.