Home / 11,787.24-16,273.56-8,200.86

Finding the Fourth Proportional to 11,787.24, 16,273.56 and 8,200.86

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Solution

The fourth proportional to 11,787.24, 16,273.56 and 8,200.86 is: 11,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.24 : 16,273.56 = 8,200.86 : x
  2. Step 2: Convert to fraction form
    11,787.24/16,273.56 = 8,200.86/x
  3. Step 3: Cross multiply
    11,787.24x = 16,273.56 × 8,200.86
  4. Step 4: Simplify right side
    11,787.24x = 133,457,187.26
  5. Step 5: Solve for x
    x = 133,457,187.26/11,787.24
  6. Step 6: Final answer
    x = 11,322.17

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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.