Home / 11,657.92-16,087.96-6,622.14

Finding the Fourth Proportional to 11,657.92, 16,087.96 and 6,622.14

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Solution

The fourth proportional to 11,657.92, 16,087.96 and 6,622.14 is: 9,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.92 : 16,087.96 = 6,622.14 : x
  2. Step 2: Convert to fraction form
    11,657.92/16,087.96 = 6,622.14/x
  3. Step 3: Cross multiply
    11,657.92x = 16,087.96 × 6,622.14
  4. Step 4: Simplify right side
    11,657.92x = 106,536,723.43
  5. Step 5: Solve for x
    x = 106,536,723.43/11,657.92
  6. Step 6: Final answer
    x = 9,138.57

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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.