Home / 10,823.48-16,236.86-3,425.48

Finding the Fourth Proportional to 10,823.48, 16,236.86 and 3,425.48

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Solution

The fourth proportional to 10,823.48, 16,236.86 and 3,425.48 is: 5,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.48 : 16,236.86 = 3,425.48 : x
  2. Step 2: Convert to fraction form
    10,823.48/16,236.86 = 3,425.48/x
  3. Step 3: Cross multiply
    10,823.48x = 16,236.86 × 3,425.48
  4. Step 4: Simplify right side
    10,823.48x = 55,619,039.19
  5. Step 5: Solve for x
    x = 55,619,039.19/10,823.48
  6. Step 6: Final answer
    x = 5,138.74

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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.