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Finding the Fourth Proportional to 11,958.68, 16,502.98 and 6,653.50

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Solution

The fourth proportional to 11,958.68, 16,502.98 and 6,653.50 is: 9,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.68 : 16,502.98 = 6,653.50 : x
  2. Step 2: Convert to fraction form
    11,958.68/16,502.98 = 6,653.50/x
  3. Step 3: Cross multiply
    11,958.68x = 16,502.98 × 6,653.50
  4. Step 4: Simplify right side
    11,958.68x = 109,802,577.43
  5. Step 5: Solve for x
    x = 109,802,577.43/11,958.68
  6. Step 6: Final answer
    x = 9,181.83

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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.