Home / 8,125.68-11,212.38-4,540.23

Finding the Fourth Proportional to 8,125.68, 11,212.38 and 4,540.23

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Solution

The fourth proportional to 8,125.68, 11,212.38 and 4,540.23 is: 6,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.68 : 11,212.38 = 4,540.23 : x
  2. Step 2: Convert to fraction form
    8,125.68/11,212.38 = 4,540.23/x
  3. Step 3: Cross multiply
    8,125.68x = 11,212.38 × 4,540.23
  4. Step 4: Simplify right side
    8,125.68x = 50,906,784.05
  5. Step 5: Solve for x
    x = 50,906,784.05/8,125.68
  6. Step 6: Final answer
    x = 6,264.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.