Home / 10,362.97-15,531.45-8,163.01

Finding the Fourth Proportional to 10,362.97, 15,531.45 and 8,163.01

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Solution

The fourth proportional to 10,362.97, 15,531.45 and 8,163.01 is: 12,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.97 : 15,531.45 = 8,163.01 : x
  2. Step 2: Convert to fraction form
    10,362.97/15,531.45 = 8,163.01/x
  3. Step 3: Cross multiply
    10,362.97x = 15,531.45 × 8,163.01
  4. Step 4: Simplify right side
    10,362.97x = 126,783,381.66
  5. Step 5: Solve for x
    x = 126,783,381.66/10,362.97
  6. Step 6: Final answer
    x = 12,234.27

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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.