Home / 11,069.22-16,562.82-8,871.28

Finding the Fourth Proportional to 11,069.22, 16,562.82 and 8,871.28

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Solution

The fourth proportional to 11,069.22, 16,562.82 and 8,871.28 is: 13,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.22 : 16,562.82 = 8,871.28 : x
  2. Step 2: Convert to fraction form
    11,069.22/16,562.82 = 8,871.28/x
  3. Step 3: Cross multiply
    11,069.22x = 16,562.82 × 8,871.28
  4. Step 4: Simplify right side
    11,069.22x = 146,933,413.81
  5. Step 5: Solve for x
    x = 146,933,413.81/11,069.22
  6. Step 6: Final answer
    x = 13,274.05

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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.