Home / 10,799.92-16,199.88-3,405.07

Finding the Fourth Proportional to 10,799.92, 16,199.88 and 3,405.07

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Solution

The fourth proportional to 10,799.92, 16,199.88 and 3,405.07 is: 5,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,799.92 : 16,199.88 = 3,405.07 : x
  2. Step 2: Convert to fraction form
    10,799.92/16,199.88 = 3,405.07/x
  3. Step 3: Cross multiply
    10,799.92x = 16,199.88 × 3,405.07
  4. Step 4: Simplify right side
    10,799.92x = 55,161,725.39
  5. Step 5: Solve for x
    x = 55,161,725.39/10,799.92
  6. Step 6: Final answer
    x = 5,107.61

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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.