Home / 7,414.08-11,121.36-2,220.24

Finding the Fourth Proportional to 7,414.08, 11,121.36 and 2,220.24

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Solution

The fourth proportional to 7,414.08, 11,121.36 and 2,220.24 is: 3,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.08 : 11,121.36 = 2,220.24 : x
  2. Step 2: Convert to fraction form
    7,414.08/11,121.36 = 2,220.24/x
  3. Step 3: Cross multiply
    7,414.08x = 11,121.36 × 2,220.24
  4. Step 4: Simplify right side
    7,414.08x = 24,692,088.33
  5. Step 5: Solve for x
    x = 24,692,088.33/7,414.08
  6. Step 6: Final answer
    x = 3,330.43

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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.