Home / 11,540.88-15,923.52-6,826.68

Finding the Fourth Proportional to 11,540.88, 15,923.52 and 6,826.68

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Solution

The fourth proportional to 11,540.88, 15,923.52 and 6,826.68 is: 9,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.88 : 15,923.52 = 6,826.68 : x
  2. Step 2: Convert to fraction form
    11,540.88/15,923.52 = 6,826.68/x
  3. Step 3: Cross multiply
    11,540.88x = 15,923.52 × 6,826.68
  4. Step 4: Simplify right side
    11,540.88x = 108,704,775.51
  5. Step 5: Solve for x
    x = 108,704,775.51/11,540.88
  6. Step 6: Final answer
    x = 9,419.11

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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.