Home / 11,735.12-16,194.49-6,429.92

Finding the Fourth Proportional to 11,735.12, 16,194.49 and 6,429.92

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Solution

The fourth proportional to 11,735.12, 16,194.49 and 6,429.92 is: 8,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.12 : 16,194.49 = 6,429.92 : x
  2. Step 2: Convert to fraction form
    11,735.12/16,194.49 = 6,429.92/x
  3. Step 3: Cross multiply
    11,735.12x = 16,194.49 × 6,429.92
  4. Step 4: Simplify right side
    11,735.12x = 104,129,299.55
  5. Step 5: Solve for x
    x = 104,129,299.55/11,735.12
  6. Step 6: Final answer
    x = 8,873.30

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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.