Home / 10,830.38-16,245.56-2,622.38

Finding the Fourth Proportional to 10,830.38, 16,245.56 and 2,622.38

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Solution

The fourth proportional to 10,830.38, 16,245.56 and 2,622.38 is: 3,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.38 : 16,245.56 = 2,622.38 : x
  2. Step 2: Convert to fraction form
    10,830.38/16,245.56 = 2,622.38/x
  3. Step 3: Cross multiply
    10,830.38x = 16,245.56 × 2,622.38
  4. Step 4: Simplify right side
    10,830.38x = 42,601,956.96
  5. Step 5: Solve for x
    x = 42,601,956.96/10,830.38
  6. Step 6: Final answer
    x = 3,933.56

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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.