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Finding the Fourth Proportional to 8,841.11, 12,197.74 and 5,012.34

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Solution

The fourth proportional to 8,841.11, 12,197.74 and 5,012.34 is: 6,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.11 : 12,197.74 = 5,012.34 : x
  2. Step 2: Convert to fraction form
    8,841.11/12,197.74 = 5,012.34/x
  3. Step 3: Cross multiply
    8,841.11x = 12,197.74 × 5,012.34
  4. Step 4: Simplify right side
    8,841.11x = 61,139,159.12
  5. Step 5: Solve for x
    x = 61,139,159.12/8,841.11
  6. Step 6: Final answer
    x = 6,915.33

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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.