Home / 6,660.68-9,195.05-4,143.61

Finding the Fourth Proportional to 6,660.68, 9,195.05 and 4,143.61

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Solution

The fourth proportional to 6,660.68, 9,195.05 and 4,143.61 is: 5,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.68 : 9,195.05 = 4,143.61 : x
  2. Step 2: Convert to fraction form
    6,660.68/9,195.05 = 4,143.61/x
  3. Step 3: Cross multiply
    6,660.68x = 9,195.05 × 4,143.61
  4. Step 4: Simplify right side
    6,660.68x = 38,100,671.26
  5. Step 5: Solve for x
    x = 38,100,671.26/6,660.68
  6. Step 6: Final answer
    x = 5,720.24

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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.