Home / 11,364.11-15,674.97-7,107.79

Finding the Fourth Proportional to 11,364.11, 15,674.97 and 7,107.79

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Solution

The fourth proportional to 11,364.11, 15,674.97 and 7,107.79 is: 9,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.11 : 15,674.97 = 7,107.79 : x
  2. Step 2: Convert to fraction form
    11,364.11/15,674.97 = 7,107.79/x
  3. Step 3: Cross multiply
    11,364.11x = 15,674.97 × 7,107.79
  4. Step 4: Simplify right side
    11,364.11x = 111,414,338.60
  5. Step 5: Solve for x
    x = 111,414,338.60/11,364.11
  6. Step 6: Final answer
    x = 9,804.05

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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.