Home / 13,212.94-18,233.72-7,244.59

Finding the Fourth Proportional to 13,212.94, 18,233.72 and 7,244.59

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Solution

The fourth proportional to 13,212.94, 18,233.72 and 7,244.59 is: 9,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.94 : 18,233.72 = 7,244.59 : x
  2. Step 2: Convert to fraction form
    13,212.94/18,233.72 = 7,244.59/x
  3. Step 3: Cross multiply
    13,212.94x = 18,233.72 × 7,244.59
  4. Step 4: Simplify right side
    13,212.94x = 132,095,922.80
  5. Step 5: Solve for x
    x = 132,095,922.80/13,212.94
  6. Step 6: Final answer
    x = 9,997.47

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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.