Home / 11,932.55-17,900.85-4,916.36

Finding the Fourth Proportional to 11,932.55, 17,900.85 and 4,916.36

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Solution

The fourth proportional to 11,932.55, 17,900.85 and 4,916.36 is: 7,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.55 : 17,900.85 = 4,916.36 : x
  2. Step 2: Convert to fraction form
    11,932.55/17,900.85 = 4,916.36/x
  3. Step 3: Cross multiply
    11,932.55x = 17,900.85 × 4,916.36
  4. Step 4: Simplify right side
    11,932.55x = 88,006,933.40
  5. Step 5: Solve for x
    x = 88,006,933.40/11,932.55
  6. Step 6: Final answer
    x = 7,375.37

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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.