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Finding the Fourth Proportional to 10,860.83, 14,994.68 and 8,338.11

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Solution

The fourth proportional to 10,860.83, 14,994.68 and 8,338.11 is: 11,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.83 : 14,994.68 = 8,338.11 : x
  2. Step 2: Convert to fraction form
    10,860.83/14,994.68 = 8,338.11/x
  3. Step 3: Cross multiply
    10,860.83x = 14,994.68 × 8,338.11
  4. Step 4: Simplify right side
    10,860.83x = 125,027,249.56
  5. Step 5: Solve for x
    x = 125,027,249.56/10,860.83
  6. Step 6: Final answer
    x = 11,511.76

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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.