Home / 11,914.26-16,443.10-8,136.22

Finding the Fourth Proportional to 11,914.26, 16,443.10 and 8,136.22

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Solution

The fourth proportional to 11,914.26, 16,443.10 and 8,136.22 is: 11,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.26 : 16,443.10 = 8,136.22 : x
  2. Step 2: Convert to fraction form
    11,914.26/16,443.10 = 8,136.22/x
  3. Step 3: Cross multiply
    11,914.26x = 16,443.10 × 8,136.22
  4. Step 4: Simplify right side
    11,914.26x = 133,784,679.08
  5. Step 5: Solve for x
    x = 133,784,679.08/11,914.26
  6. Step 6: Final answer
    x = 11,228.95

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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.