Home / 9,194.43-12,687.96-5,216.32

Finding the Fourth Proportional to 9,194.43, 12,687.96 and 5,216.32

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Solution

The fourth proportional to 9,194.43, 12,687.96 and 5,216.32 is: 7,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.43 : 12,687.96 = 5,216.32 : x
  2. Step 2: Convert to fraction form
    9,194.43/12,687.96 = 5,216.32/x
  3. Step 3: Cross multiply
    9,194.43x = 12,687.96 × 5,216.32
  4. Step 4: Simplify right side
    9,194.43x = 66,184,459.51
  5. Step 5: Solve for x
    x = 66,184,459.51/9,194.43
  6. Step 6: Final answer
    x = 7,198.32

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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.