Home / 7,826.10-10,793.97-4,678.98

Finding the Fourth Proportional to 7,826.10, 10,793.97 and 4,678.98

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Solution

The fourth proportional to 7,826.10, 10,793.97 and 4,678.98 is: 6,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.10 : 10,793.97 = 4,678.98 : x
  2. Step 2: Convert to fraction form
    7,826.10/10,793.97 = 4,678.98/x
  3. Step 3: Cross multiply
    7,826.10x = 10,793.97 × 4,678.98
  4. Step 4: Simplify right side
    7,826.10x = 50,504,769.75
  5. Step 5: Solve for x
    x = 50,504,769.75/7,826.10
  6. Step 6: Final answer
    x = 6,453.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.