Home / 11,016.40-16,502.20-6,843.60

Finding the Fourth Proportional to 11,016.40, 16,502.20 and 6,843.60

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Solution

The fourth proportional to 11,016.40, 16,502.20 and 6,843.60 is: 10,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.40 : 16,502.20 = 6,843.60 : x
  2. Step 2: Convert to fraction form
    11,016.40/16,502.20 = 6,843.60/x
  3. Step 3: Cross multiply
    11,016.40x = 16,502.20 × 6,843.60
  4. Step 4: Simplify right side
    11,016.40x = 112,934,455.92
  5. Step 5: Solve for x
    x = 112,934,455.92/11,016.40
  6. Step 6: Final answer
    x = 10,251.48

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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.