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Finding the Fourth Proportional to 8,366.22, 12,529.53 and 7,264.62

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Solution

The fourth proportional to 8,366.22, 12,529.53 and 7,264.62 is: 10,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.22 : 12,529.53 = 7,264.62 : x
  2. Step 2: Convert to fraction form
    8,366.22/12,529.53 = 7,264.62/x
  3. Step 3: Cross multiply
    8,366.22x = 12,529.53 × 7,264.62
  4. Step 4: Simplify right side
    8,366.22x = 91,022,274.23
  5. Step 5: Solve for x
    x = 91,022,274.23/8,366.22
  6. Step 6: Final answer
    x = 10,879.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.