Home / 11,956.26-16,500.15-6,920.70

Finding the Fourth Proportional to 11,956.26, 16,500.15 and 6,920.70

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Solution

The fourth proportional to 11,956.26, 16,500.15 and 6,920.70 is: 9,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.26 : 16,500.15 = 6,920.70 : x
  2. Step 2: Convert to fraction form
    11,956.26/16,500.15 = 6,920.70/x
  3. Step 3: Cross multiply
    11,956.26x = 16,500.15 × 6,920.70
  4. Step 4: Simplify right side
    11,956.26x = 114,192,588.11
  5. Step 5: Solve for x
    x = 114,192,588.11/11,956.26
  6. Step 6: Final answer
    x = 9,550.86

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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.