Home / 7,469.64-10,308.20-4,112.44

Finding the Fourth Proportional to 7,469.64, 10,308.20 and 4,112.44

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Solution

The fourth proportional to 7,469.64, 10,308.20 and 4,112.44 is: 5,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.64 : 10,308.20 = 4,112.44 : x
  2. Step 2: Convert to fraction form
    7,469.64/10,308.20 = 4,112.44/x
  3. Step 3: Cross multiply
    7,469.64x = 10,308.20 × 4,112.44
  4. Step 4: Simplify right side
    7,469.64x = 42,391,854.01
  5. Step 5: Solve for x
    x = 42,391,854.01/7,469.64
  6. Step 6: Final answer
    x = 5,675.22

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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.