Home / 11,791.37-17,686.80-3,471.18

Finding the Fourth Proportional to 11,791.37, 17,686.80 and 3,471.18

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Solution

The fourth proportional to 11,791.37, 17,686.80 and 3,471.18 is: 5,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.37 : 17,686.80 = 3,471.18 : x
  2. Step 2: Convert to fraction form
    11,791.37/17,686.80 = 3,471.18/x
  3. Step 3: Cross multiply
    11,791.37x = 17,686.80 × 3,471.18
  4. Step 4: Simplify right side
    11,791.37x = 61,394,066.42
  5. Step 5: Solve for x
    x = 61,394,066.42/11,791.37
  6. Step 6: Final answer
    x = 5,206.70

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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.