Home / 11,736.63-16,196.46-6,431.43

Finding the Fourth Proportional to 11,736.63, 16,196.46 and 6,431.43

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Solution

The fourth proportional to 11,736.63, 16,196.46 and 6,431.43 is: 8,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.63 : 16,196.46 = 6,431.43 : x
  2. Step 2: Convert to fraction form
    11,736.63/16,196.46 = 6,431.43/x
  3. Step 3: Cross multiply
    11,736.63x = 16,196.46 × 6,431.43
  4. Step 4: Simplify right side
    11,736.63x = 104,166,435.36
  5. Step 5: Solve for x
    x = 104,166,435.36/11,736.63
  6. Step 6: Final answer
    x = 8,875.33

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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.