Home / 8,857.62-13,286.41-6,075.86

Finding the Fourth Proportional to 8,857.62, 13,286.41 and 6,075.86

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Solution

The fourth proportional to 8,857.62, 13,286.41 and 6,075.86 is: 9,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.62 : 13,286.41 = 6,075.86 : x
  2. Step 2: Convert to fraction form
    8,857.62/13,286.41 = 6,075.86/x
  3. Step 3: Cross multiply
    8,857.62x = 13,286.41 × 6,075.86
  4. Step 4: Simplify right side
    8,857.62x = 80,726,367.06
  5. Step 5: Solve for x
    x = 80,726,367.06/8,857.62
  6. Step 6: Final answer
    x = 9,113.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.