Home / 6,717.12-9,269.24-3,732.78

Finding the Fourth Proportional to 6,717.12, 9,269.24 and 3,732.78

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Solution

The fourth proportional to 6,717.12, 9,269.24 and 3,732.78 is: 5,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.12 : 9,269.24 = 3,732.78 : x
  2. Step 2: Convert to fraction form
    6,717.12/9,269.24 = 3,732.78/x
  3. Step 3: Cross multiply
    6,717.12x = 9,269.24 × 3,732.78
  4. Step 4: Simplify right side
    6,717.12x = 34,600,015.02
  5. Step 5: Solve for x
    x = 34,600,015.02/6,717.12
  6. Step 6: Final answer
    x = 5,151.02

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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.