Home / 9,505.20-13,117.15-5,198.29

Finding the Fourth Proportional to 9,505.20, 13,117.15 and 5,198.29

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Solution

The fourth proportional to 9,505.20, 13,117.15 and 5,198.29 is: 7,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.20 : 13,117.15 = 5,198.29 : x
  2. Step 2: Convert to fraction form
    9,505.20/13,117.15 = 5,198.29/x
  3. Step 3: Cross multiply
    9,505.20x = 13,117.15 × 5,198.29
  4. Step 4: Simplify right side
    9,505.20x = 68,186,723.68
  5. Step 5: Solve for x
    x = 68,186,723.68/9,505.20
  6. Step 6: Final answer
    x = 7,173.63

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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.