Home / 10,800.62-16,200.92-6,180.38

Finding the Fourth Proportional to 10,800.62, 16,200.92 and 6,180.38

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Solution

The fourth proportional to 10,800.62, 16,200.92 and 6,180.38 is: 9,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.62 : 16,200.92 = 6,180.38 : x
  2. Step 2: Convert to fraction form
    10,800.62/16,200.92 = 6,180.38/x
  3. Step 3: Cross multiply
    10,800.62x = 16,200.92 × 6,180.38
  4. Step 4: Simplify right side
    10,800.62x = 100,127,776.40
  5. Step 5: Solve for x
    x = 100,127,776.40/10,800.62
  6. Step 6: Final answer
    x = 9,270.56

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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.