Home / 8,559.82-11,785.30-7,550.66

Finding the Fourth Proportional to 8,559.82, 11,785.30 and 7,550.66

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Solution

The fourth proportional to 8,559.82, 11,785.30 and 7,550.66 is: 10,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.82 : 11,785.30 = 7,550.66 : x
  2. Step 2: Convert to fraction form
    8,559.82/11,785.30 = 7,550.66/x
  3. Step 3: Cross multiply
    8,559.82x = 11,785.30 × 7,550.66
  4. Step 4: Simplify right side
    8,559.82x = 88,986,803.88
  5. Step 5: Solve for x
    x = 88,986,803.88/8,559.82
  6. Step 6: Final answer
    x = 10,395.87

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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.