Home / 9,223.11-12,727.75-5,189.63

Finding the Fourth Proportional to 9,223.11, 12,727.75 and 5,189.63

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Solution

The fourth proportional to 9,223.11, 12,727.75 and 5,189.63 is: 7,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.11 : 12,727.75 = 5,189.63 : x
  2. Step 2: Convert to fraction form
    9,223.11/12,727.75 = 5,189.63/x
  3. Step 3: Cross multiply
    9,223.11x = 12,727.75 × 5,189.63
  4. Step 4: Simplify right side
    9,223.11x = 66,052,313.23
  5. Step 5: Solve for x
    x = 66,052,313.23/9,223.11
  6. Step 6: Final answer
    x = 7,161.61

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Double scale
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Similar ratio
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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.