Home / 6,686.63-9,227.76-3,702.73

Finding the Fourth Proportional to 6,686.63, 9,227.76 and 3,702.73

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Solution

The fourth proportional to 6,686.63, 9,227.76 and 3,702.73 is: 5,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.63 : 9,227.76 = 3,702.73 : x
  2. Step 2: Convert to fraction form
    6,686.63/9,227.76 = 3,702.73/x
  3. Step 3: Cross multiply
    6,686.63x = 9,227.76 × 3,702.73
  4. Step 4: Simplify right side
    6,686.63x = 34,167,903.78
  5. Step 5: Solve for x
    x = 34,167,903.78/6,686.63
  6. Step 6: Final answer
    x = 5,109.88

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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.