Home / 10,641.92-15,954.71-6,481.13

Finding the Fourth Proportional to 10,641.92, 15,954.71 and 6,481.13

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Solution

The fourth proportional to 10,641.92, 15,954.71 and 6,481.13 is: 9,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.92 : 15,954.71 = 6,481.13 : x
  2. Step 2: Convert to fraction form
    10,641.92/15,954.71 = 6,481.13/x
  3. Step 3: Cross multiply
    10,641.92x = 15,954.71 × 6,481.13
  4. Step 4: Simplify right side
    10,641.92x = 103,404,437.44
  5. Step 5: Solve for x
    x = 103,404,437.44/10,641.92
  6. Step 6: Final answer
    x = 9,716.71

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1.5x scale

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.