Home / 11,081.07-15,291.86-6,604.88

Finding the Fourth Proportional to 11,081.07, 15,291.86 and 6,604.88

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Solution

The fourth proportional to 11,081.07, 15,291.86 and 6,604.88 is: 9,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.07 : 15,291.86 = 6,604.88 : x
  2. Step 2: Convert to fraction form
    11,081.07/15,291.86 = 6,604.88/x
  3. Step 3: Cross multiply
    11,081.07x = 15,291.86 × 6,604.88
  4. Step 4: Simplify right side
    11,081.07x = 101,000,790.79
  5. Step 5: Solve for x
    x = 101,000,790.79/11,081.07
  6. Step 6: Final answer
    x = 9,114.71

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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.