Home / 10,933.05-16,391.67-4,263.90

Finding the Fourth Proportional to 10,933.05, 16,391.67 and 4,263.90

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Solution

The fourth proportional to 10,933.05, 16,391.67 and 4,263.90 is: 6,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.05 : 16,391.67 = 4,263.90 : x
  2. Step 2: Convert to fraction form
    10,933.05/16,391.67 = 4,263.90/x
  3. Step 3: Cross multiply
    10,933.05x = 16,391.67 × 4,263.90
  4. Step 4: Simplify right side
    10,933.05x = 69,892,359.75
  5. Step 5: Solve for x
    x = 69,892,359.75/10,933.05
  6. Step 6: Final answer
    x = 6,392.76

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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.