Home / 7,114.89-10,675.68-4,481.79

Finding the Fourth Proportional to 7,114.89, 10,675.68 and 4,481.79

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Solution

The fourth proportional to 7,114.89, 10,675.68 and 4,481.79 is: 6,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.89 : 10,675.68 = 4,481.79 : x
  2. Step 2: Convert to fraction form
    7,114.89/10,675.68 = 4,481.79/x
  3. Step 3: Cross multiply
    7,114.89x = 10,675.68 × 4,481.79
  4. Step 4: Simplify right side
    7,114.89x = 47,846,155.87
  5. Step 5: Solve for x
    x = 47,846,155.87/7,114.89
  6. Step 6: Final answer
    x = 6,724.79

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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.