Home / 11,197.96-16,799.76-4,178.20

Finding the Fourth Proportional to 11,197.96, 16,799.76 and 4,178.20

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Solution

The fourth proportional to 11,197.96, 16,799.76 and 4,178.20 is: 6,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.96 : 16,799.76 = 4,178.20 : x
  2. Step 2: Convert to fraction form
    11,197.96/16,799.76 = 4,178.20/x
  3. Step 3: Cross multiply
    11,197.96x = 16,799.76 × 4,178.20
  4. Step 4: Simplify right side
    11,197.96x = 70,192,757.23
  5. Step 5: Solve for x
    x = 70,192,757.23/11,197.96
  6. Step 6: Final answer
    x = 6,268.35

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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.