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Finding the Fourth Proportional to 9,995.93, 13,786.97 and 8,862.95

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Solution

The fourth proportional to 9,995.93, 13,786.97 and 8,862.95 is: 12,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.93 : 13,786.97 = 8,862.95 : x
  2. Step 2: Convert to fraction form
    9,995.93/13,786.97 = 8,862.95/x
  3. Step 3: Cross multiply
    9,995.93x = 13,786.97 × 8,862.95
  4. Step 4: Simplify right side
    9,995.93x = 122,193,112.51
  5. Step 5: Solve for x
    x = 122,193,112.51/9,995.93
  6. Step 6: Final answer
    x = 12,224.29

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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.