Home / 10,817.20-16,228.50-3,025.95

Finding the Fourth Proportional to 10,817.20, 16,228.50 and 3,025.95

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Solution

The fourth proportional to 10,817.20, 16,228.50 and 3,025.95 is: 4,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.20 : 16,228.50 = 3,025.95 : x
  2. Step 2: Convert to fraction form
    10,817.20/16,228.50 = 3,025.95/x
  3. Step 3: Cross multiply
    10,817.20x = 16,228.50 × 3,025.95
  4. Step 4: Simplify right side
    10,817.20x = 49,106,629.58
  5. Step 5: Solve for x
    x = 49,106,629.58/10,817.20
  6. Step 6: Final answer
    x = 4,539.68

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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.