Home / 10,908.33-16,370.64-4,245.87

Finding the Fourth Proportional to 10,908.33, 16,370.64 and 4,245.87

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Solution

The fourth proportional to 10,908.33, 16,370.64 and 4,245.87 is: 6,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.33 : 16,370.64 = 4,245.87 : x
  2. Step 2: Convert to fraction form
    10,908.33/16,370.64 = 4,245.87/x
  3. Step 3: Cross multiply
    10,908.33x = 16,370.64 × 4,245.87
  4. Step 4: Simplify right side
    10,908.33x = 69,507,670.65
  5. Step 5: Solve for x
    x = 69,507,670.65/10,908.33
  6. Step 6: Final answer
    x = 6,371.98

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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.