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Finding the Fourth Proportional to 8,369.63, 11,545.69 and 6,376.73

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Solution

The fourth proportional to 8,369.63, 11,545.69 and 6,376.73 is: 8,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.63 : 11,545.69 = 6,376.73 : x
  2. Step 2: Convert to fraction form
    8,369.63/11,545.69 = 6,376.73/x
  3. Step 3: Cross multiply
    8,369.63x = 11,545.69 × 6,376.73
  4. Step 4: Simplify right side
    8,369.63x = 73,623,686.08
  5. Step 5: Solve for x
    x = 73,623,686.08/8,369.63
  6. Step 6: Final answer
    x = 8,796.53

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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.