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Finding the Fourth Proportional to 6,693.95, 9,237.72 and 3,709.83

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Solution

The fourth proportional to 6,693.95, 9,237.72 and 3,709.83 is: 5,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.95 : 9,237.72 = 3,709.83 : x
  2. Step 2: Convert to fraction form
    6,693.95/9,237.72 = 3,709.83/x
  3. Step 3: Cross multiply
    6,693.95x = 9,237.72 × 3,709.83
  4. Step 4: Simplify right side
    6,693.95x = 34,270,370.79
  5. Step 5: Solve for x
    x = 34,270,370.79/6,693.95
  6. Step 6: Final answer
    x = 5,119.61

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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.