Home / 11,199.81-15,455.27-6,163.56

Finding the Fourth Proportional to 11,199.81, 15,455.27 and 6,163.56

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Solution

The fourth proportional to 11,199.81, 15,455.27 and 6,163.56 is: 8,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.81 : 15,455.27 = 6,163.56 : x
  2. Step 2: Convert to fraction form
    11,199.81/15,455.27 = 6,163.56/x
  3. Step 3: Cross multiply
    11,199.81x = 15,455.27 × 6,163.56
  4. Step 4: Simplify right side
    11,199.81x = 95,259,483.96
  5. Step 5: Solve for x
    x = 95,259,483.96/11,199.81
  6. Step 6: Final answer
    x = 8,505.46

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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.