Home / 11,411.28-17,122.19-4,021.25

Finding the Fourth Proportional to 11,411.28, 17,122.19 and 4,021.25

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Solution

The fourth proportional to 11,411.28, 17,122.19 and 4,021.25 is: 6,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.28 : 17,122.19 = 4,021.25 : x
  2. Step 2: Convert to fraction form
    11,411.28/17,122.19 = 4,021.25/x
  3. Step 3: Cross multiply
    11,411.28x = 17,122.19 × 4,021.25
  4. Step 4: Simplify right side
    11,411.28x = 68,852,500.82
  5. Step 5: Solve for x
    x = 68,852,500.82/11,411.28
  6. Step 6: Final answer
    x = 6,033.72

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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.