Home / 7,310.36-10,966.26-2,116.12

Finding the Fourth Proportional to 7,310.36, 10,966.26 and 2,116.12

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Solution

The fourth proportional to 7,310.36, 10,966.26 and 2,116.12 is: 3,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.36 : 10,966.26 = 2,116.12 : x
  2. Step 2: Convert to fraction form
    7,310.36/10,966.26 = 2,116.12/x
  3. Step 3: Cross multiply
    7,310.36x = 10,966.26 × 2,116.12
  4. Step 4: Simplify right side
    7,310.36x = 23,205,922.11
  5. Step 5: Solve for x
    x = 23,205,922.11/7,310.36
  6. Step 6: Final answer
    x = 3,174.39

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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.