Home / 10,310.24-15,467.16-3,291.78

Finding the Fourth Proportional to 10,310.24, 15,467.16 and 3,291.78

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Solution

The fourth proportional to 10,310.24, 15,467.16 and 3,291.78 is: 4,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.24 : 15,467.16 = 3,291.78 : x
  2. Step 2: Convert to fraction form
    10,310.24/15,467.16 = 3,291.78/x
  3. Step 3: Cross multiply
    10,310.24x = 15,467.16 × 3,291.78
  4. Step 4: Simplify right side
    10,310.24x = 50,914,487.94
  5. Step 5: Solve for x
    x = 50,914,487.94/10,310.24
  6. Step 6: Final answer
    x = 4,938.25

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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.