Home / 7,731.09-11,597.12-2,184.86

Finding the Fourth Proportional to 7,731.09, 11,597.12 and 2,184.86

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Solution

The fourth proportional to 7,731.09, 11,597.12 and 2,184.86 is: 3,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.09 : 11,597.12 = 2,184.86 : x
  2. Step 2: Convert to fraction form
    7,731.09/11,597.12 = 2,184.86/x
  3. Step 3: Cross multiply
    7,731.09x = 11,597.12 × 2,184.86
  4. Step 4: Simplify right side
    7,731.09x = 25,338,072.68
  5. Step 5: Solve for x
    x = 25,338,072.68/7,731.09
  6. Step 6: Final answer
    x = 3,277.43

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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.