Home / 10,820.84-16,232.87-3,422.84

Finding the Fourth Proportional to 10,820.84, 16,232.87 and 3,422.84

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Solution

The fourth proportional to 10,820.84, 16,232.87 and 3,422.84 is: 5,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.84 : 16,232.87 = 3,422.84 : x
  2. Step 2: Convert to fraction form
    10,820.84/16,232.87 = 3,422.84/x
  3. Step 3: Cross multiply
    10,820.84x = 16,232.87 × 3,422.84
  4. Step 4: Simplify right side
    10,820.84x = 55,562,444.14
  5. Step 5: Solve for x
    x = 55,562,444.14/10,820.84
  6. Step 6: Final answer
    x = 5,134.76

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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.