Home / 11,736.57-16,196.83-6,431.71

Finding the Fourth Proportional to 11,736.57, 16,196.83 and 6,431.71

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Solution

The fourth proportional to 11,736.57, 16,196.83 and 6,431.71 is: 8,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.57 : 16,196.83 = 6,431.71 : x
  2. Step 2: Convert to fraction form
    11,736.57/16,196.83 = 6,431.71/x
  3. Step 3: Cross multiply
    11,736.57x = 16,196.83 × 6,431.71
  4. Step 4: Simplify right side
    11,736.57x = 104,173,232.50
  5. Step 5: Solve for x
    x = 104,173,232.50/11,736.57
  6. Step 6: Final answer
    x = 8,875.96

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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.