Home / 11,649.78-17,475.21-3,331.02

Finding the Fourth Proportional to 11,649.78, 17,475.21 and 3,331.02

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Solution

The fourth proportional to 11,649.78, 17,475.21 and 3,331.02 is: 4,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.78 : 17,475.21 = 3,331.02 : x
  2. Step 2: Convert to fraction form
    11,649.78/17,475.21 = 3,331.02/x
  3. Step 3: Cross multiply
    11,649.78x = 17,475.21 × 3,331.02
  4. Step 4: Simplify right side
    11,649.78x = 58,210,274.01
  5. Step 5: Solve for x
    x = 58,210,274.01/11,649.78
  6. Step 6: Final answer
    x = 4,996.68

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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.