Home / 6,783.85-10,177.23-2,103.76

Finding the Fourth Proportional to 6,783.85, 10,177.23 and 2,103.76

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Solution

The fourth proportional to 6,783.85, 10,177.23 and 2,103.76 is: 3,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.85 : 10,177.23 = 2,103.76 : x
  2. Step 2: Convert to fraction form
    6,783.85/10,177.23 = 2,103.76/x
  3. Step 3: Cross multiply
    6,783.85x = 10,177.23 × 2,103.76
  4. Step 4: Simplify right side
    6,783.85x = 21,410,418.68
  5. Step 5: Solve for x
    x = 21,410,418.68/6,783.85
  6. Step 6: Final answer
    x = 3,156.09

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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.