Home / 10,564.68-15,846.08-3,170.78

Finding the Fourth Proportional to 10,564.68, 15,846.08 and 3,170.78

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Solution

The fourth proportional to 10,564.68, 15,846.08 and 3,170.78 is: 4,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,564.68 : 15,846.08 = 3,170.78 : x
  2. Step 2: Convert to fraction form
    10,564.68/15,846.08 = 3,170.78/x
  3. Step 3: Cross multiply
    10,564.68x = 15,846.08 × 3,170.78
  4. Step 4: Simplify right side
    10,564.68x = 50,244,433.54
  5. Step 5: Solve for x
    x = 50,244,433.54/10,564.68
  6. Step 6: Final answer
    x = 4,755.89

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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.