Home / 6,747.72-10,112.05-5,080.74

Finding the Fourth Proportional to 6,747.72, 10,112.05 and 5,080.74

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Solution

The fourth proportional to 6,747.72, 10,112.05 and 5,080.74 is: 7,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.72 : 10,112.05 = 5,080.74 : x
  2. Step 2: Convert to fraction form
    6,747.72/10,112.05 = 5,080.74/x
  3. Step 3: Cross multiply
    6,747.72x = 10,112.05 × 5,080.74
  4. Step 4: Simplify right side
    6,747.72x = 51,376,696.92
  5. Step 5: Solve for x
    x = 51,376,696.92/6,747.72
  6. Step 6: Final answer
    x = 7,613.93

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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.