Home / 10,195.28-15,268.20-5,184.47

Finding the Fourth Proportional to 10,195.28, 15,268.20 and 5,184.47

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Solution

The fourth proportional to 10,195.28, 15,268.20 and 5,184.47 is: 7,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.28 : 15,268.20 = 5,184.47 : x
  2. Step 2: Convert to fraction form
    10,195.28/15,268.20 = 5,184.47/x
  3. Step 3: Cross multiply
    10,195.28x = 15,268.20 × 5,184.47
  4. Step 4: Simplify right side
    10,195.28x = 79,157,524.85
  5. Step 5: Solve for x
    x = 79,157,524.85/10,195.28
  6. Step 6: Final answer
    x = 7,764.13

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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.