Home / 8,108.87-12,126.24-5,895.14

Finding the Fourth Proportional to 8,108.87, 12,126.24 and 5,895.14

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Solution

The fourth proportional to 8,108.87, 12,126.24 and 5,895.14 is: 8,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.87 : 12,126.24 = 5,895.14 : x
  2. Step 2: Convert to fraction form
    8,108.87/12,126.24 = 5,895.14/x
  3. Step 3: Cross multiply
    8,108.87x = 12,126.24 × 5,895.14
  4. Step 4: Simplify right side
    8,108.87x = 71,485,821.84
  5. Step 5: Solve for x
    x = 71,485,821.84/8,108.87
  6. Step 6: Final answer
    x = 8,815.76

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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.