Home / 11,817.33-17,725.98-8,108.30

Finding the Fourth Proportional to 11,817.33, 17,725.98 and 8,108.30

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Solution

The fourth proportional to 11,817.33, 17,725.98 and 8,108.30 is: 12,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.33 : 17,725.98 = 8,108.30 : x
  2. Step 2: Convert to fraction form
    11,817.33/17,725.98 = 8,108.30/x
  3. Step 3: Cross multiply
    11,817.33x = 17,725.98 × 8,108.30
  4. Step 4: Simplify right side
    11,817.33x = 143,727,475.00
  5. Step 5: Solve for x
    x = 143,727,475.00/11,817.33
  6. Step 6: Final answer
    x = 12,162.43

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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.