Home / 11,993.67-16,536.55-9,861.75

Finding the Fourth Proportional to 11,993.67, 16,536.55 and 9,861.75

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Solution

The fourth proportional to 11,993.67, 16,536.55 and 9,861.75 is: 13,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.67 : 16,536.55 = 9,861.75 : x
  2. Step 2: Convert to fraction form
    11,993.67/16,536.55 = 9,861.75/x
  3. Step 3: Cross multiply
    11,993.67x = 16,536.55 × 9,861.75
  4. Step 4: Simplify right side
    11,993.67x = 163,079,321.96
  5. Step 5: Solve for x
    x = 163,079,321.96/11,993.67
  6. Step 6: Final answer
    x = 13,597.12

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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.