Home / 11,231.28-15,498.43-6,195.54

Finding the Fourth Proportional to 11,231.28, 15,498.43 and 6,195.54

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Solution

The fourth proportional to 11,231.28, 15,498.43 and 6,195.54 is: 8,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.28 : 15,498.43 = 6,195.54 : x
  2. Step 2: Convert to fraction form
    11,231.28/15,498.43 = 6,195.54/x
  3. Step 3: Cross multiply
    11,231.28x = 15,498.43 × 6,195.54
  4. Step 4: Simplify right side
    11,231.28x = 96,021,143.00
  5. Step 5: Solve for x
    x = 96,021,143.00/11,231.28
  6. Step 6: Final answer
    x = 8,549.44

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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.