Home / 12,336.44-17,022.76-7,858.35

Finding the Fourth Proportional to 12,336.44, 17,022.76 and 7,858.35

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Solution

The fourth proportional to 12,336.44, 17,022.76 and 7,858.35 is: 10,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.44 : 17,022.76 = 7,858.35 : x
  2. Step 2: Convert to fraction form
    12,336.44/17,022.76 = 7,858.35/x
  3. Step 3: Cross multiply
    12,336.44x = 17,022.76 × 7,858.35
  4. Step 4: Simplify right side
    12,336.44x = 133,770,786.40
  5. Step 5: Solve for x
    x = 133,770,786.40/12,336.44
  6. Step 6: Final answer
    x = 10,843.55

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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.