Home / 11,725.50-16,188.15-8,936.22

Finding the Fourth Proportional to 11,725.50, 16,188.15 and 8,936.22

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Solution

The fourth proportional to 11,725.50, 16,188.15 and 8,936.22 is: 12,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.50 : 16,188.15 = 8,936.22 : x
  2. Step 2: Convert to fraction form
    11,725.50/16,188.15 = 8,936.22/x
  3. Step 3: Cross multiply
    11,725.50x = 16,188.15 × 8,936.22
  4. Step 4: Simplify right side
    11,725.50x = 144,660,869.79
  5. Step 5: Solve for x
    x = 144,660,869.79/11,725.50
  6. Step 6: Final answer
    x = 12,337.29

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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.