Home / 10,409.72-14,365.93-6,163.21

Finding the Fourth Proportional to 10,409.72, 14,365.93 and 6,163.21

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Solution

The fourth proportional to 10,409.72, 14,365.93 and 6,163.21 is: 8,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.72 : 14,365.93 = 6,163.21 : x
  2. Step 2: Convert to fraction form
    10,409.72/14,365.93 = 6,163.21/x
  3. Step 3: Cross multiply
    10,409.72x = 14,365.93 × 6,163.21
  4. Step 4: Simplify right side
    10,409.72x = 88,540,243.44
  5. Step 5: Solve for x
    x = 88,540,243.44/10,409.72
  6. Step 6: Final answer
    x = 8,505.54

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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.