Home / 11,691.22-16,133.23-6,656.67

Finding the Fourth Proportional to 11,691.22, 16,133.23 and 6,656.67

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Solution

The fourth proportional to 11,691.22, 16,133.23 and 6,656.67 is: 9,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.22 : 16,133.23 = 6,656.67 : x
  2. Step 2: Convert to fraction form
    11,691.22/16,133.23 = 6,656.67/x
  3. Step 3: Cross multiply
    11,691.22x = 16,133.23 × 6,656.67
  4. Step 4: Simplify right side
    11,691.22x = 107,393,588.14
  5. Step 5: Solve for x
    x = 107,393,588.14/11,691.22
  6. Step 6: Final answer
    x = 9,185.83

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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.