Home / 10,775.20-16,162.92-2,983.56

Finding the Fourth Proportional to 10,775.20, 16,162.92 and 2,983.56

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Solution

The fourth proportional to 10,775.20, 16,162.92 and 2,983.56 is: 4,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.20 : 16,162.92 = 2,983.56 : x
  2. Step 2: Convert to fraction form
    10,775.20/16,162.92 = 2,983.56/x
  3. Step 3: Cross multiply
    10,775.20x = 16,162.92 × 2,983.56
  4. Step 4: Simplify right side
    10,775.20x = 48,223,041.60
  5. Step 5: Solve for x
    x = 48,223,041.60/10,775.20
  6. Step 6: Final answer
    x = 4,475.37

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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.