Home / 10,811.11-16,215.46-2,914.41

Finding the Fourth Proportional to 10,811.11, 16,215.46 and 2,914.41

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Solution

The fourth proportional to 10,811.11, 16,215.46 and 2,914.41 is: 4,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.11 : 16,215.46 = 2,914.41 : x
  2. Step 2: Convert to fraction form
    10,811.11/16,215.46 = 2,914.41/x
  3. Step 3: Cross multiply
    10,811.11x = 16,215.46 × 2,914.41
  4. Step 4: Simplify right side
    10,811.11x = 47,258,564.60
  5. Step 5: Solve for x
    x = 47,258,564.60/10,811.11
  6. Step 6: Final answer
    x = 4,371.30

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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.