Home / 10,840.80-16,262.29-2,943.44

Finding the Fourth Proportional to 10,840.80, 16,262.29 and 2,943.44

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Solution

The fourth proportional to 10,840.80, 16,262.29 and 2,943.44 is: 4,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.80 : 16,262.29 = 2,943.44 : x
  2. Step 2: Convert to fraction form
    10,840.80/16,262.29 = 2,943.44/x
  3. Step 3: Cross multiply
    10,840.80x = 16,262.29 × 2,943.44
  4. Step 4: Simplify right side
    10,840.80x = 47,867,074.88
  5. Step 5: Solve for x
    x = 47,867,074.88/10,840.80
  6. Step 6: Final answer
    x = 4,415.46

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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.