Home / 11,286.19-16,931.25-4,716.99

Finding the Fourth Proportional to 11,286.19, 16,931.25 and 4,716.99

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Solution

The fourth proportional to 11,286.19, 16,931.25 and 4,716.99 is: 7,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.19 : 16,931.25 = 4,716.99 : x
  2. Step 2: Convert to fraction form
    11,286.19/16,931.25 = 4,716.99/x
  3. Step 3: Cross multiply
    11,286.19x = 16,931.25 × 4,716.99
  4. Step 4: Simplify right side
    11,286.19x = 79,864,536.94
  5. Step 5: Solve for x
    x = 79,864,536.94/11,286.19
  6. Step 6: Final answer
    x = 7,076.31

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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.