Home / 11,199.80-15,455.46-6,163.88

Finding the Fourth Proportional to 11,199.80, 15,455.46 and 6,163.88

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Solution

The fourth proportional to 11,199.80, 15,455.46 and 6,163.88 is: 8,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.80 : 15,455.46 = 6,163.88 : x
  2. Step 2: Convert to fraction form
    11,199.80/15,455.46 = 6,163.88/x
  3. Step 3: Cross multiply
    11,199.80x = 15,455.46 × 6,163.88
  4. Step 4: Simplify right side
    11,199.80x = 95,265,600.78
  5. Step 5: Solve for x
    x = 95,265,600.78/11,199.80
  6. Step 6: Final answer
    x = 8,506.01

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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.