Home / 11,699.37-16,145.11-6,394.23

Finding the Fourth Proportional to 11,699.37, 16,145.11 and 6,394.23

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Solution

The fourth proportional to 11,699.37, 16,145.11 and 6,394.23 is: 8,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.37 : 16,145.11 = 6,394.23 : x
  2. Step 2: Convert to fraction form
    11,699.37/16,145.11 = 6,394.23/x
  3. Step 3: Cross multiply
    11,699.37x = 16,145.11 × 6,394.23
  4. Step 4: Simplify right side
    11,699.37x = 103,235,530.73
  5. Step 5: Solve for x
    x = 103,235,530.73/11,699.37
  6. Step 6: Final answer
    x = 8,824.02

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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.