Home / 9,194.31-12,687.76-5,216.17

Finding the Fourth Proportional to 9,194.31, 12,687.76 and 5,216.17

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Solution

The fourth proportional to 9,194.31, 12,687.76 and 5,216.17 is: 7,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.31 : 12,687.76 = 5,216.17 : x
  2. Step 2: Convert to fraction form
    9,194.31/12,687.76 = 5,216.17/x
  3. Step 3: Cross multiply
    9,194.31x = 12,687.76 × 5,216.17
  4. Step 4: Simplify right side
    9,194.31x = 66,181,513.08
  5. Step 5: Solve for x
    x = 66,181,513.08/9,194.31
  6. Step 6: Final answer
    x = 7,198.09

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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.