Home / 10,783.08-16,168.38-4,936.56

Finding the Fourth Proportional to 10,783.08, 16,168.38 and 4,936.56

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Solution

The fourth proportional to 10,783.08, 16,168.38 and 4,936.56 is: 7,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.08 : 16,168.38 = 4,936.56 : x
  2. Step 2: Convert to fraction form
    10,783.08/16,168.38 = 4,936.56/x
  3. Step 3: Cross multiply
    10,783.08x = 16,168.38 × 4,936.56
  4. Step 4: Simplify right side
    10,783.08x = 79,816,177.97
  5. Step 5: Solve for x
    x = 79,816,177.97/10,783.08
  6. Step 6: Final answer
    x = 7,401.98

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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.