Home / 11,235.94-16,857.56-5,393.01

Finding the Fourth Proportional to 11,235.94, 16,857.56 and 5,393.01

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Solution

The fourth proportional to 11,235.94, 16,857.56 and 5,393.01 is: 8,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.94 : 16,857.56 = 5,393.01 : x
  2. Step 2: Convert to fraction form
    11,235.94/16,857.56 = 5,393.01/x
  3. Step 3: Cross multiply
    11,235.94x = 16,857.56 × 5,393.01
  4. Step 4: Simplify right side
    11,235.94x = 90,912,989.66
  5. Step 5: Solve for x
    x = 90,912,989.66/11,235.94
  6. Step 6: Final answer
    x = 8,091.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.