Home / 10,287.92-15,431.82-2,496.68

Finding the Fourth Proportional to 10,287.92, 15,431.82 and 2,496.68

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Solution

The fourth proportional to 10,287.92, 15,431.82 and 2,496.68 is: 3,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.92 : 15,431.82 = 2,496.68 : x
  2. Step 2: Convert to fraction form
    10,287.92/15,431.82 = 2,496.68/x
  3. Step 3: Cross multiply
    10,287.92x = 15,431.82 × 2,496.68
  4. Step 4: Simplify right side
    10,287.92x = 38,528,316.36
  5. Step 5: Solve for x
    x = 38,528,316.36/10,287.92
  6. Step 6: Final answer
    x = 3,745.01

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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.