Home / 11,736.39-16,196.58-6,431.58

Finding the Fourth Proportional to 11,736.39, 16,196.58 and 6,431.58

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Solution

The fourth proportional to 11,736.39, 16,196.58 and 6,431.58 is: 8,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.39 : 16,196.58 = 6,431.58 : x
  2. Step 2: Convert to fraction form
    11,736.39/16,196.58 = 6,431.58/x
  3. Step 3: Cross multiply
    11,736.39x = 16,196.58 × 6,431.58
  4. Step 4: Simplify right side
    11,736.39x = 104,169,600.00
  5. Step 5: Solve for x
    x = 104,169,600.00/11,736.39
  6. Step 6: Final answer
    x = 8,875.78

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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.