Home / 10,363.47-15,532.20-8,163.51

Finding the Fourth Proportional to 10,363.47, 15,532.20 and 8,163.51

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Solution

The fourth proportional to 10,363.47, 15,532.20 and 8,163.51 is: 12,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.47 : 15,532.20 = 8,163.51 : x
  2. Step 2: Convert to fraction form
    10,363.47/15,532.20 = 8,163.51/x
  3. Step 3: Cross multiply
    10,363.47x = 15,532.20 × 8,163.51
  4. Step 4: Simplify right side
    10,363.47x = 126,797,270.02
  5. Step 5: Solve for x
    x = 126,797,270.02/10,363.47
  6. Step 6: Final answer
    x = 12,235.02

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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.