Home / 10,480.73-15,721.16-3,085.29

Finding the Fourth Proportional to 10,480.73, 15,721.16 and 3,085.29

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Solution

The fourth proportional to 10,480.73, 15,721.16 and 3,085.29 is: 4,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.73 : 15,721.16 = 3,085.29 : x
  2. Step 2: Convert to fraction form
    10,480.73/15,721.16 = 3,085.29/x
  3. Step 3: Cross multiply
    10,480.73x = 15,721.16 × 3,085.29
  4. Step 4: Simplify right side
    10,480.73x = 48,504,322.31
  5. Step 5: Solve for x
    x = 48,504,322.31/10,480.73
  6. Step 6: Final answer
    x = 4,627.95

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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.