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Finding the Fourth Proportional to 8,793.93, 12,134.55 and 7,005.97

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Solution

The fourth proportional to 8,793.93, 12,134.55 and 7,005.97 is: 9,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.93 : 12,134.55 = 7,005.97 : x
  2. Step 2: Convert to fraction form
    8,793.93/12,134.55 = 7,005.97/x
  3. Step 3: Cross multiply
    8,793.93x = 12,134.55 × 7,005.97
  4. Step 4: Simplify right side
    8,793.93x = 85,014,232.59
  5. Step 5: Solve for x
    x = 85,014,232.59/8,793.93
  6. Step 6: Final answer
    x = 9,667.38

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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.