Home / 10,580.45-15,859.48-3,912.66

Finding the Fourth Proportional to 10,580.45, 15,859.48 and 3,912.66

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Solution

The fourth proportional to 10,580.45, 15,859.48 and 3,912.66 is: 5,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.45 : 15,859.48 = 3,912.66 : x
  2. Step 2: Convert to fraction form
    10,580.45/15,859.48 = 3,912.66/x
  3. Step 3: Cross multiply
    10,580.45x = 15,859.48 × 3,912.66
  4. Step 4: Simplify right side
    10,580.45x = 62,052,810.23
  5. Step 5: Solve for x
    x = 62,052,810.23/10,580.45
  6. Step 6: Final answer
    x = 5,864.86

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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.