Home / 10,969.13-16,453.69-2,761.13

Finding the Fourth Proportional to 10,969.13, 16,453.69 and 2,761.13

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Solution

The fourth proportional to 10,969.13, 16,453.69 and 2,761.13 is: 4,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.13 : 16,453.69 = 2,761.13 : x
  2. Step 2: Convert to fraction form
    10,969.13/16,453.69 = 2,761.13/x
  3. Step 3: Cross multiply
    10,969.13x = 16,453.69 × 2,761.13
  4. Step 4: Simplify right side
    10,969.13x = 45,430,777.07
  5. Step 5: Solve for x
    x = 45,430,777.07/10,969.13
  6. Step 6: Final answer
    x = 4,141.69

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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.