Home / 10,912.36-16,357.58-3,511.38

Finding the Fourth Proportional to 10,912.36, 16,357.58 and 3,511.38

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Solution

The fourth proportional to 10,912.36, 16,357.58 and 3,511.38 is: 5,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.36 : 16,357.58 = 3,511.38 : x
  2. Step 2: Convert to fraction form
    10,912.36/16,357.58 = 3,511.38/x
  3. Step 3: Cross multiply
    10,912.36x = 16,357.58 × 3,511.38
  4. Step 4: Simplify right side
    10,912.36x = 57,437,679.26
  5. Step 5: Solve for x
    x = 57,437,679.26/10,912.36
  6. Step 6: Final answer
    x = 5,263.54

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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.