Home / 10,652.91-15,961.87-6,480.33

Finding the Fourth Proportional to 10,652.91, 15,961.87 and 6,480.33

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Solution

The fourth proportional to 10,652.91, 15,961.87 and 6,480.33 is: 9,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.91 : 15,961.87 = 6,480.33 : x
  2. Step 2: Convert to fraction form
    10,652.91/15,961.87 = 6,480.33/x
  3. Step 3: Cross multiply
    10,652.91x = 15,961.87 × 6,480.33
  4. Step 4: Simplify right side
    10,652.91x = 103,438,185.02
  5. Step 5: Solve for x
    x = 103,438,185.02/10,652.91
  6. Step 6: Final answer
    x = 9,709.85

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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.