Home / 8,246.70-11,381.79-6,136.25

Finding the Fourth Proportional to 8,246.70, 11,381.79 and 6,136.25

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Solution

The fourth proportional to 8,246.70, 11,381.79 and 6,136.25 is: 8,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.70 : 11,381.79 = 6,136.25 : x
  2. Step 2: Convert to fraction form
    8,246.70/11,381.79 = 6,136.25/x
  3. Step 3: Cross multiply
    8,246.70x = 11,381.79 × 6,136.25
  4. Step 4: Simplify right side
    8,246.70x = 69,841,451.98
  5. Step 5: Solve for x
    x = 69,841,451.98/8,246.70
  6. Step 6: Final answer
    x = 8,469.02

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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.