Home / 11,828.11-17,742.17-4,811.94

Finding the Fourth Proportional to 11,828.11, 17,742.17 and 4,811.94

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Solution

The fourth proportional to 11,828.11, 17,742.17 and 4,811.94 is: 7,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.11 : 17,742.17 = 4,811.94 : x
  2. Step 2: Convert to fraction form
    11,828.11/17,742.17 = 4,811.94/x
  3. Step 3: Cross multiply
    11,828.11x = 17,742.17 × 4,811.94
  4. Step 4: Simplify right side
    11,828.11x = 85,374,242.47
  5. Step 5: Solve for x
    x = 85,374,242.47/11,828.11
  6. Step 6: Final answer
    x = 7,217.91

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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.