Home / 11,735.96-16,196-6,431.11

Finding the Fourth Proportional to 11,735.96, 16,196 and 6,431.11

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Solution

The fourth proportional to 11,735.96, 16,196 and 6,431.11 is: 8,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.96 : 16,196 = 6,431.11 : x
  2. Step 2: Convert to fraction form
    11,735.96/16,196 = 6,431.11/x
  3. Step 3: Cross multiply
    11,735.96x = 16,196 × 6,431.11
  4. Step 4: Simplify right side
    11,735.96x = 104,158,257.56
  5. Step 5: Solve for x
    x = 104,158,257.56/11,735.96
  6. Step 6: Final answer
    x = 8,875.14

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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.