Home / 10,822.89-16,232.72-3,426.39

Finding the Fourth Proportional to 10,822.89, 16,232.72 and 3,426.39

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Solution

The fourth proportional to 10,822.89, 16,232.72 and 3,426.39 is: 5,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.89 : 16,232.72 = 3,426.39 : x
  2. Step 2: Convert to fraction form
    10,822.89/16,232.72 = 3,426.39/x
  3. Step 3: Cross multiply
    10,822.89x = 16,232.72 × 3,426.39
  4. Step 4: Simplify right side
    10,822.89x = 55,619,612.35
  5. Step 5: Solve for x
    x = 55,619,612.35/10,822.89
  6. Step 6: Final answer
    x = 5,139.07

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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.