Home / 11,200.43-15,456.01-6,163.68

Finding the Fourth Proportional to 11,200.43, 15,456.01 and 6,163.68

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Solution

The fourth proportional to 11,200.43, 15,456.01 and 6,163.68 is: 8,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.43 : 15,456.01 = 6,163.68 : x
  2. Step 2: Convert to fraction form
    11,200.43/15,456.01 = 6,163.68/x
  3. Step 3: Cross multiply
    11,200.43x = 15,456.01 × 6,163.68
  4. Step 4: Simplify right side
    11,200.43x = 95,265,899.72
  5. Step 5: Solve for x
    x = 95,265,899.72/11,200.43
  6. Step 6: Final answer
    x = 8,505.56

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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.