Home / 6,806.74-9,396.18-4,155.10

Finding the Fourth Proportional to 6,806.74, 9,396.18 and 4,155.10

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Solution

The fourth proportional to 6,806.74, 9,396.18 and 4,155.10 is: 5,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.74 : 9,396.18 = 4,155.10 : x
  2. Step 2: Convert to fraction form
    6,806.74/9,396.18 = 4,155.10/x
  3. Step 3: Cross multiply
    6,806.74x = 9,396.18 × 4,155.10
  4. Step 4: Simplify right side
    6,806.74x = 39,042,067.52
  5. Step 5: Solve for x
    x = 39,042,067.52/6,806.74
  6. Step 6: Final answer
    x = 5,735.80

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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.