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Finding the Fourth Proportional to 11,254.24, 16,811.18 and 8,338.24

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Solution

The fourth proportional to 11,254.24, 16,811.18 and 8,338.24 is: 12,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.24 : 16,811.18 = 8,338.24 : x
  2. Step 2: Convert to fraction form
    11,254.24/16,811.18 = 8,338.24/x
  3. Step 3: Cross multiply
    11,254.24x = 16,811.18 × 8,338.24
  4. Step 4: Simplify right side
    11,254.24x = 140,175,653.52
  5. Step 5: Solve for x
    x = 140,175,653.52/11,254.24
  6. Step 6: Final answer
    x = 12,455.36

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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.