Home / 11,169.45-15,410.39-6,452.01

Finding the Fourth Proportional to 11,169.45, 15,410.39 and 6,452.01

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Solution

The fourth proportional to 11,169.45, 15,410.39 and 6,452.01 is: 8,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.45 : 15,410.39 = 6,452.01 : x
  2. Step 2: Convert to fraction form
    11,169.45/15,410.39 = 6,452.01/x
  3. Step 3: Cross multiply
    11,169.45x = 15,410.39 × 6,452.01
  4. Step 4: Simplify right side
    11,169.45x = 99,427,958.12
  5. Step 5: Solve for x
    x = 99,427,958.12/11,169.45
  6. Step 6: Final answer
    x = 8,901.78

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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.