Home / 10,342.53-15,511.03-4,497.75

Finding the Fourth Proportional to 10,342.53, 15,511.03 and 4,497.75

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Solution

The fourth proportional to 10,342.53, 15,511.03 and 4,497.75 is: 6,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.53 : 15,511.03 = 4,497.75 : x
  2. Step 2: Convert to fraction form
    10,342.53/15,511.03 = 4,497.75/x
  3. Step 3: Cross multiply
    10,342.53x = 15,511.03 × 4,497.75
  4. Step 4: Simplify right side
    10,342.53x = 69,764,723.94
  5. Step 5: Solve for x
    x = 69,764,723.94/10,342.53
  6. Step 6: Final answer
    x = 6,745.42

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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.