Home / 6,105.56-9,140.88-5,718.04

Finding the Fourth Proportional to 6,105.56, 9,140.88 and 5,718.04

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Solution

The fourth proportional to 6,105.56, 9,140.88 and 5,718.04 is: 8,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.56 : 9,140.88 = 5,718.04 : x
  2. Step 2: Convert to fraction form
    6,105.56/9,140.88 = 5,718.04/x
  3. Step 3: Cross multiply
    6,105.56x = 9,140.88 × 5,718.04
  4. Step 4: Simplify right side
    6,105.56x = 52,267,917.48
  5. Step 5: Solve for x
    x = 52,267,917.48/6,105.56
  6. Step 6: Final answer
    x = 8,560.71

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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.