Home / 10,855.28-16,271.86-4,936.37

Finding the Fourth Proportional to 10,855.28, 16,271.86 and 4,936.37

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Solution

The fourth proportional to 10,855.28, 16,271.86 and 4,936.37 is: 7,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.28 : 16,271.86 = 4,936.37 : x
  2. Step 2: Convert to fraction form
    10,855.28/16,271.86 = 4,936.37/x
  3. Step 3: Cross multiply
    10,855.28x = 16,271.86 × 4,936.37
  4. Step 4: Simplify right side
    10,855.28x = 80,323,850.99
  5. Step 5: Solve for x
    x = 80,323,850.99/10,855.28
  6. Step 6: Final answer
    x = 7,399.52

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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.