Home / 7,414.92-11,120.63-2,148.54

Finding the Fourth Proportional to 7,414.92, 11,120.63 and 2,148.54

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Solution

The fourth proportional to 7,414.92, 11,120.63 and 2,148.54 is: 3,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.92 : 11,120.63 = 2,148.54 : x
  2. Step 2: Convert to fraction form
    7,414.92/11,120.63 = 2,148.54/x
  3. Step 3: Cross multiply
    7,414.92x = 11,120.63 × 2,148.54
  4. Step 4: Simplify right side
    7,414.92x = 23,893,090.64
  5. Step 5: Solve for x
    x = 23,893,090.64/7,414.92
  6. Step 6: Final answer
    x = 3,222.30

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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.