Home / 9,193.53-12,686.37-5,213.97

Finding the Fourth Proportional to 9,193.53, 12,686.37 and 5,213.97

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Solution

The fourth proportional to 9,193.53, 12,686.37 and 5,213.97 is: 7,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.53 : 12,686.37 = 5,213.97 : x
  2. Step 2: Convert to fraction form
    9,193.53/12,686.37 = 5,213.97/x
  3. Step 3: Cross multiply
    9,193.53x = 12,686.37 × 5,213.97
  4. Step 4: Simplify right side
    9,193.53x = 66,146,352.59
  5. Step 5: Solve for x
    x = 66,146,352.59/9,193.53
  6. Step 6: Final answer
    x = 7,194.88

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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.