Home / 11,261.97-16,907.31-9,186.03

Finding the Fourth Proportional to 11,261.97, 16,907.31 and 9,186.03

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Solution

The fourth proportional to 11,261.97, 16,907.31 and 9,186.03 is: 13,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.97 : 16,907.31 = 9,186.03 : x
  2. Step 2: Convert to fraction form
    11,261.97/16,907.31 = 9,186.03/x
  3. Step 3: Cross multiply
    11,261.97x = 16,907.31 × 9,186.03
  4. Step 4: Simplify right side
    11,261.97x = 155,311,056.88
  5. Step 5: Solve for x
    x = 155,311,056.88/11,261.97
  6. Step 6: Final answer
    x = 13,790.75

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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.