Home / 10,912.83-16,369.66-3,517.40

Finding the Fourth Proportional to 10,912.83, 16,369.66 and 3,517.40

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Solution

The fourth proportional to 10,912.83, 16,369.66 and 3,517.40 is: 5,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.83 : 16,369.66 = 3,517.40 : x
  2. Step 2: Convert to fraction form
    10,912.83/16,369.66 = 3,517.40/x
  3. Step 3: Cross multiply
    10,912.83x = 16,369.66 × 3,517.40
  4. Step 4: Simplify right side
    10,912.83x = 57,578,606.23
  5. Step 5: Solve for x
    x = 57,578,606.23/10,912.83
  6. Step 6: Final answer
    x = 5,276.23

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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.