Home / 9,910.66-14,865.96-2,515.11

Finding the Fourth Proportional to 9,910.66, 14,865.96 and 2,515.11

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Solution

The fourth proportional to 9,910.66, 14,865.96 and 2,515.11 is: 3,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.66 : 14,865.96 = 2,515.11 : x
  2. Step 2: Convert to fraction form
    9,910.66/14,865.96 = 2,515.11/x
  3. Step 3: Cross multiply
    9,910.66x = 14,865.96 × 2,515.11
  4. Step 4: Simplify right side
    9,910.66x = 37,389,524.66
  5. Step 5: Solve for x
    x = 37,389,524.66/9,910.66
  6. Step 6: Final answer
    x = 3,772.66

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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.