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Finding the Fourth Proportional to 8,136.89, 11,228.94 and 4,410.89

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Solution

The fourth proportional to 8,136.89, 11,228.94 and 4,410.89 is: 6,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.89 : 11,228.94 = 4,410.89 : x
  2. Step 2: Convert to fraction form
    8,136.89/11,228.94 = 4,410.89/x
  3. Step 3: Cross multiply
    8,136.89x = 11,228.94 × 4,410.89
  4. Step 4: Simplify right side
    8,136.89x = 49,529,619.16
  5. Step 5: Solve for x
    x = 49,529,619.16/8,136.89
  6. Step 6: Final answer
    x = 6,087.05

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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.