Home / 11,286.28-16,933.48-5,045.78

Finding the Fourth Proportional to 11,286.28, 16,933.48 and 5,045.78

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Solution

The fourth proportional to 11,286.28, 16,933.48 and 5,045.78 is: 7,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.28 : 16,933.48 = 5,045.78 : x
  2. Step 2: Convert to fraction form
    11,286.28/16,933.48 = 5,045.78/x
  3. Step 3: Cross multiply
    11,286.28x = 16,933.48 × 5,045.78
  4. Step 4: Simplify right side
    11,286.28x = 85,442,614.71
  5. Step 5: Solve for x
    x = 85,442,614.71/11,286.28
  6. Step 6: Final answer
    x = 7,570.49

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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.