Home / 6,747.47-10,121.25-2,586.48

Finding the Fourth Proportional to 6,747.47, 10,121.25 and 2,586.48

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Solution

The fourth proportional to 6,747.47, 10,121.25 and 2,586.48 is: 3,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.47 : 10,121.25 = 2,586.48 : x
  2. Step 2: Convert to fraction form
    6,747.47/10,121.25 = 2,586.48/x
  3. Step 3: Cross multiply
    6,747.47x = 10,121.25 × 2,586.48
  4. Step 4: Simplify right side
    6,747.47x = 26,178,410.70
  5. Step 5: Solve for x
    x = 26,178,410.70/6,747.47
  6. Step 6: Final answer
    x = 3,879.74

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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.