Home / 10,823.20-16,232.96-3,030.20

Finding the Fourth Proportional to 10,823.20, 16,232.96 and 3,030.20

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Solution

The fourth proportional to 10,823.20, 16,232.96 and 3,030.20 is: 4,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.20 : 16,232.96 = 3,030.20 : x
  2. Step 2: Convert to fraction form
    10,823.20/16,232.96 = 3,030.20/x
  3. Step 3: Cross multiply
    10,823.20x = 16,232.96 × 3,030.20
  4. Step 4: Simplify right side
    10,823.20x = 49,189,115.39
  5. Step 5: Solve for x
    x = 49,189,115.39/10,823.20
  6. Step 6: Final answer
    x = 4,544.78

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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.