Home / 10,255.56-14,163.06-8,836.36

Finding the Fourth Proportional to 10,255.56, 14,163.06 and 8,836.36

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Solution

The fourth proportional to 10,255.56, 14,163.06 and 8,836.36 is: 12,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.56 : 14,163.06 = 8,836.36 : x
  2. Step 2: Convert to fraction form
    10,255.56/14,163.06 = 8,836.36/x
  3. Step 3: Cross multiply
    10,255.56x = 14,163.06 × 8,836.36
  4. Step 4: Simplify right side
    10,255.56x = 125,149,896.86
  5. Step 5: Solve for x
    x = 125,149,896.86/10,255.56
  6. Step 6: Final answer
    x = 12,203.13

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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.