Home / 7,975.89-11,007.23-4,619.43

Finding the Fourth Proportional to 7,975.89, 11,007.23 and 4,619.43

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Solution

The fourth proportional to 7,975.89, 11,007.23 and 4,619.43 is: 6,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.89 : 11,007.23 = 4,619.43 : x
  2. Step 2: Convert to fraction form
    7,975.89/11,007.23 = 4,619.43/x
  3. Step 3: Cross multiply
    7,975.89x = 11,007.23 × 4,619.43
  4. Step 4: Simplify right side
    7,975.89x = 50,847,105.38
  5. Step 5: Solve for x
    x = 50,847,105.38/7,975.89
  6. Step 6: Final answer
    x = 6,375.10

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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.