Home / 12,174.19-18,263.38-3,854.08

Finding the Fourth Proportional to 12,174.19, 18,263.38 and 3,854.08

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Solution

The fourth proportional to 12,174.19, 18,263.38 and 3,854.08 is: 5,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.19 : 18,263.38 = 3,854.08 : x
  2. Step 2: Convert to fraction form
    12,174.19/18,263.38 = 3,854.08/x
  3. Step 3: Cross multiply
    12,174.19x = 18,263.38 × 3,854.08
  4. Step 4: Simplify right side
    12,174.19x = 70,388,527.59
  5. Step 5: Solve for x
    x = 70,388,527.59/12,174.19
  6. Step 6: Final answer
    x = 5,781.78

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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.