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Finding the Fourth Proportional to 8,216.99, 12,321.84 and 5,096.87

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Solution

The fourth proportional to 8,216.99, 12,321.84 and 5,096.87 is: 7,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.99 : 12,321.84 = 5,096.87 : x
  2. Step 2: Convert to fraction form
    8,216.99/12,321.84 = 5,096.87/x
  3. Step 3: Cross multiply
    8,216.99x = 12,321.84 × 5,096.87
  4. Step 4: Simplify right side
    8,216.99x = 62,802,860.99
  5. Step 5: Solve for x
    x = 62,802,860.99/8,216.99
  6. Step 6: Final answer
    x = 7,643.05

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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.