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Finding the Fourth Proportional to 8,841.63, 12,203.13 and 5,257.38

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Solution

The fourth proportional to 8,841.63, 12,203.13 and 5,257.38 is: 7,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.63 : 12,203.13 = 5,257.38 : x
  2. Step 2: Convert to fraction form
    8,841.63/12,203.13 = 5,257.38/x
  3. Step 3: Cross multiply
    8,841.63x = 12,203.13 × 5,257.38
  4. Step 4: Simplify right side
    8,841.63x = 64,156,491.60
  5. Step 5: Solve for x
    x = 64,156,491.60/8,841.63
  6. Step 6: Final answer
    x = 7,256.18

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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.