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Finding the Fourth Proportional to 11,236.12, 16,854.10 and 8,773

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Solution

The fourth proportional to 11,236.12, 16,854.10 and 8,773 is: 13,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.12 : 16,854.10 = 8,773 : x
  2. Step 2: Convert to fraction form
    11,236.12/16,854.10 = 8,773/x
  3. Step 3: Cross multiply
    11,236.12x = 16,854.10 × 8,773
  4. Step 4: Simplify right side
    11,236.12x = 147,861,019.30
  5. Step 5: Solve for x
    x = 147,861,019.30/11,236.12
  6. Step 6: Final answer
    x = 13,159.44

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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.