Home / 6,969.85-10,456.28-2,039.11

Finding the Fourth Proportional to 6,969.85, 10,456.28 and 2,039.11

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Solution

The fourth proportional to 6,969.85, 10,456.28 and 2,039.11 is: 3,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.85 : 10,456.28 = 2,039.11 : x
  2. Step 2: Convert to fraction form
    6,969.85/10,456.28 = 2,039.11/x
  3. Step 3: Cross multiply
    6,969.85x = 10,456.28 × 2,039.11
  4. Step 4: Simplify right side
    6,969.85x = 21,321,505.11
  5. Step 5: Solve for x
    x = 21,321,505.11/6,969.85
  6. Step 6: Final answer
    x = 3,059.11

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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.