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Finding the Fourth Proportional to 9,003.54, 12,440.11 and 6,480.66

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Solution

The fourth proportional to 9,003.54, 12,440.11 and 6,480.66 is: 8,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.54 : 12,440.11 = 6,480.66 : x
  2. Step 2: Convert to fraction form
    9,003.54/12,440.11 = 6,480.66/x
  3. Step 3: Cross multiply
    9,003.54x = 12,440.11 × 6,480.66
  4. Step 4: Simplify right side
    9,003.54x = 80,620,123.27
  5. Step 5: Solve for x
    x = 80,620,123.27/9,003.54
  6. Step 6: Final answer
    x = 8,954.27

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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.