Home / 10,912.14-16,368.24-3,517.14

Finding the Fourth Proportional to 10,912.14, 16,368.24 and 3,517.14

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Solution

The fourth proportional to 10,912.14, 16,368.24 and 3,517.14 is: 5,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.14 : 16,368.24 = 3,517.14 : x
  2. Step 2: Convert to fraction form
    10,912.14/16,368.24 = 3,517.14/x
  3. Step 3: Cross multiply
    10,912.14x = 16,368.24 × 3,517.14
  4. Step 4: Simplify right side
    10,912.14x = 57,569,391.63
  5. Step 5: Solve for x
    x = 57,569,391.63/10,912.14
  6. Step 6: Final answer
    x = 5,275.72

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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.