Home / 11,739.87-17,609.81-2,974.83

Finding the Fourth Proportional to 11,739.87, 17,609.81 and 2,974.83

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Solution

The fourth proportional to 11,739.87, 17,609.81 and 2,974.83 is: 4,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.87 : 17,609.81 = 2,974.83 : x
  2. Step 2: Convert to fraction form
    11,739.87/17,609.81 = 2,974.83/x
  3. Step 3: Cross multiply
    11,739.87x = 17,609.81 × 2,974.83
  4. Step 4: Simplify right side
    11,739.87x = 52,386,176.21
  5. Step 5: Solve for x
    x = 52,386,176.21/11,739.87
  6. Step 6: Final answer
    x = 4,462.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.