Home / 7,213.58-10,791.90-5,463.63

Finding the Fourth Proportional to 7,213.58, 10,791.90 and 5,463.63

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Solution

The fourth proportional to 7,213.58, 10,791.90 and 5,463.63 is: 8,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.58 : 10,791.90 = 5,463.63 : x
  2. Step 2: Convert to fraction form
    7,213.58/10,791.90 = 5,463.63/x
  3. Step 3: Cross multiply
    7,213.58x = 10,791.90 × 5,463.63
  4. Step 4: Simplify right side
    7,213.58x = 58,962,969.09
  5. Step 5: Solve for x
    x = 58,962,969.09/7,213.58
  6. Step 6: Final answer
    x = 8,173.88

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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.