Home / 10,217.91-15,327.16-2,822.37

Finding the Fourth Proportional to 10,217.91, 15,327.16 and 2,822.37

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Solution

The fourth proportional to 10,217.91, 15,327.16 and 2,822.37 is: 4,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.91 : 15,327.16 = 2,822.37 : x
  2. Step 2: Convert to fraction form
    10,217.91/15,327.16 = 2,822.37/x
  3. Step 3: Cross multiply
    10,217.91x = 15,327.16 × 2,822.37
  4. Step 4: Simplify right side
    10,217.91x = 43,258,938.25
  5. Step 5: Solve for x
    x = 43,258,938.25/10,217.91
  6. Step 6: Final answer
    x = 4,233.64

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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.