Home / 10,470.66-15,706.76-3,896.85

Finding the Fourth Proportional to 10,470.66, 15,706.76 and 3,896.85

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Solution

The fourth proportional to 10,470.66, 15,706.76 and 3,896.85 is: 5,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.66 : 15,706.76 = 3,896.85 : x
  2. Step 2: Convert to fraction form
    10,470.66/15,706.76 = 3,896.85/x
  3. Step 3: Cross multiply
    10,470.66x = 15,706.76 × 3,896.85
  4. Step 4: Simplify right side
    10,470.66x = 61,206,868.22
  5. Step 5: Solve for x
    x = 61,206,868.22/10,470.66
  6. Step 6: Final answer
    x = 5,845.56

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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.