Home / 7,121.17-10,673.62-4,453.97

Finding the Fourth Proportional to 7,121.17, 10,673.62 and 4,453.97

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Solution

The fourth proportional to 7,121.17, 10,673.62 and 4,453.97 is: 6,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.17 : 10,673.62 = 4,453.97 : x
  2. Step 2: Convert to fraction form
    7,121.17/10,673.62 = 4,453.97/x
  3. Step 3: Cross multiply
    7,121.17x = 10,673.62 × 4,453.97
  4. Step 4: Simplify right side
    7,121.17x = 47,540,020.71
  5. Step 5: Solve for x
    x = 47,540,020.71/7,121.17
  6. Step 6: Final answer
    x = 6,675.87

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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.