Home / 9,179.19-13,768.78-2,605.43

Finding the Fourth Proportional to 9,179.19, 13,768.78 and 2,605.43

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Solution

The fourth proportional to 9,179.19, 13,768.78 and 2,605.43 is: 3,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.19 : 13,768.78 = 2,605.43 : x
  2. Step 2: Convert to fraction form
    9,179.19/13,768.78 = 2,605.43/x
  3. Step 3: Cross multiply
    9,179.19x = 13,768.78 × 2,605.43
  4. Step 4: Simplify right side
    9,179.19x = 35,873,592.48
  5. Step 5: Solve for x
    x = 35,873,592.48/9,179.19
  6. Step 6: Final answer
    x = 3,908.14

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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.