Home / 10,628.15-15,942.23-2,836.95

Finding the Fourth Proportional to 10,628.15, 15,942.23 and 2,836.95

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Solution

The fourth proportional to 10,628.15, 15,942.23 and 2,836.95 is: 4,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.15 : 15,942.23 = 2,836.95 : x
  2. Step 2: Convert to fraction form
    10,628.15/15,942.23 = 2,836.95/x
  3. Step 3: Cross multiply
    10,628.15x = 15,942.23 × 2,836.95
  4. Step 4: Simplify right side
    10,628.15x = 45,227,295.21
  5. Step 5: Solve for x
    x = 45,227,295.21/10,628.15
  6. Step 6: Final answer
    x = 4,255.43

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1.5x scale

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.