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Finding the Fourth Proportional to 8,371.64, 12,484.26 and 7,336.44

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Solution

The fourth proportional to 8,371.64, 12,484.26 and 7,336.44 is: 10,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.64 : 12,484.26 = 7,336.44 : x
  2. Step 2: Convert to fraction form
    8,371.64/12,484.26 = 7,336.44/x
  3. Step 3: Cross multiply
    8,371.64x = 12,484.26 × 7,336.44
  4. Step 4: Simplify right side
    8,371.64x = 91,590,024.43
  5. Step 5: Solve for x
    x = 91,590,024.43/8,371.64
  6. Step 6: Final answer
    x = 10,940.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.