Home / 10,800.08-16,190.64-3,778.96

Finding the Fourth Proportional to 10,800.08, 16,190.64 and 3,778.96

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Solution

The fourth proportional to 10,800.08, 16,190.64 and 3,778.96 is: 5,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.08 : 16,190.64 = 3,778.96 : x
  2. Step 2: Convert to fraction form
    10,800.08/16,190.64 = 3,778.96/x
  3. Step 3: Cross multiply
    10,800.08x = 16,190.64 × 3,778.96
  4. Step 4: Simplify right side
    10,800.08x = 61,183,780.93
  5. Step 5: Solve for x
    x = 61,183,780.93/10,800.08
  6. Step 6: Final answer
    x = 5,665.12

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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.