Home / 10,520.66-15,767.36-4,273.37

Finding the Fourth Proportional to 10,520.66, 15,767.36 and 4,273.37

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Solution

The fourth proportional to 10,520.66, 15,767.36 and 4,273.37 is: 6,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.66 : 15,767.36 = 4,273.37 : x
  2. Step 2: Convert to fraction form
    10,520.66/15,767.36 = 4,273.37/x
  3. Step 3: Cross multiply
    10,520.66x = 15,767.36 × 4,273.37
  4. Step 4: Simplify right side
    10,520.66x = 67,379,663.00
  5. Step 5: Solve for x
    x = 67,379,663.00/10,520.66
  6. Step 6: Final answer
    x = 6,404.51

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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.