Home / 6,686.92-9,227.82-3,702.74

Finding the Fourth Proportional to 6,686.92, 9,227.82 and 3,702.74

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Solution

The fourth proportional to 6,686.92, 9,227.82 and 3,702.74 is: 5,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.92 : 9,227.82 = 3,702.74 : x
  2. Step 2: Convert to fraction form
    6,686.92/9,227.82 = 3,702.74/x
  3. Step 3: Cross multiply
    6,686.92x = 9,227.82 × 3,702.74
  4. Step 4: Simplify right side
    6,686.92x = 34,168,218.23
  5. Step 5: Solve for x
    x = 34,168,218.23/6,686.92
  6. Step 6: Final answer
    x = 5,109.71

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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.