Home / 11,481.08-17,178.12-6,803.60

Finding the Fourth Proportional to 11,481.08, 17,178.12 and 6,803.60

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Solution

The fourth proportional to 11,481.08, 17,178.12 and 6,803.60 is: 10,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.08 : 17,178.12 = 6,803.60 : x
  2. Step 2: Convert to fraction form
    11,481.08/17,178.12 = 6,803.60/x
  3. Step 3: Cross multiply
    11,481.08x = 17,178.12 × 6,803.60
  4. Step 4: Simplify right side
    11,481.08x = 116,873,057.23
  5. Step 5: Solve for x
    x = 116,873,057.23/11,481.08
  6. Step 6: Final answer
    x = 10,179.62

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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.