Home / 9,224.40-12,727.44-5,190.33

Finding the Fourth Proportional to 9,224.40, 12,727.44 and 5,190.33

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Solution

The fourth proportional to 9,224.40, 12,727.44 and 5,190.33 is: 7,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.40 : 12,727.44 = 5,190.33 : x
  2. Step 2: Convert to fraction form
    9,224.40/12,727.44 = 5,190.33/x
  3. Step 3: Cross multiply
    9,224.40x = 12,727.44 × 5,190.33
  4. Step 4: Simplify right side
    9,224.40x = 66,059,613.66
  5. Step 5: Solve for x
    x = 66,059,613.66/9,224.40
  6. Step 6: Final answer
    x = 7,161.40

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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.