Home / 9,910.26-13,676.48-5,660.42

Finding the Fourth Proportional to 9,910.26, 13,676.48 and 5,660.42

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Solution

The fourth proportional to 9,910.26, 13,676.48 and 5,660.42 is: 7,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.26 : 13,676.48 = 5,660.42 : x
  2. Step 2: Convert to fraction form
    9,910.26/13,676.48 = 5,660.42/x
  3. Step 3: Cross multiply
    9,910.26x = 13,676.48 × 5,660.42
  4. Step 4: Simplify right side
    9,910.26x = 77,414,620.92
  5. Step 5: Solve for x
    x = 77,414,620.92/9,910.26
  6. Step 6: Final answer
    x = 7,811.56

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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.