Home / 11,956.66-16,520.36-8,592.78

Finding the Fourth Proportional to 11,956.66, 16,520.36 and 8,592.78

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Solution

The fourth proportional to 11,956.66, 16,520.36 and 8,592.78 is: 11,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.66 : 16,520.36 = 8,592.78 : x
  2. Step 2: Convert to fraction form
    11,956.66/16,520.36 = 8,592.78/x
  3. Step 3: Cross multiply
    11,956.66x = 16,520.36 × 8,592.78
  4. Step 4: Simplify right side
    11,956.66x = 141,955,837.99
  5. Step 5: Solve for x
    x = 141,955,837.99/11,956.66
  6. Step 6: Final answer
    x = 11,872.53

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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.