Home / 7,847.22-10,814.56-5,329.44

Finding the Fourth Proportional to 7,847.22, 10,814.56 and 5,329.44

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Solution

The fourth proportional to 7,847.22, 10,814.56 and 5,329.44 is: 7,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.22 : 10,814.56 = 5,329.44 : x
  2. Step 2: Convert to fraction form
    7,847.22/10,814.56 = 5,329.44/x
  3. Step 3: Cross multiply
    7,847.22x = 10,814.56 × 5,329.44
  4. Step 4: Simplify right side
    7,847.22x = 57,635,548.65
  5. Step 5: Solve for x
    x = 57,635,548.65/7,847.22
  6. Step 6: Final answer
    x = 7,344.71

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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.