Home / 11,996.40-18,010.23-8,065.27

Finding the Fourth Proportional to 11,996.40, 18,010.23 and 8,065.27

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Solution

The fourth proportional to 11,996.40, 18,010.23 and 8,065.27 is: 12,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.40 : 18,010.23 = 8,065.27 : x
  2. Step 2: Convert to fraction form
    11,996.40/18,010.23 = 8,065.27/x
  3. Step 3: Cross multiply
    11,996.40x = 18,010.23 × 8,065.27
  4. Step 4: Simplify right side
    11,996.40x = 145,257,367.71
  5. Step 5: Solve for x
    x = 145,257,367.71/11,996.40
  6. Step 6: Final answer
    x = 12,108.41

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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.