Home / 7,724.68-10,660.60-4,367.76

Finding the Fourth Proportional to 7,724.68, 10,660.60 and 4,367.76

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Solution

The fourth proportional to 7,724.68, 10,660.60 and 4,367.76 is: 6,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.68 : 10,660.60 = 4,367.76 : x
  2. Step 2: Convert to fraction form
    7,724.68/10,660.60 = 4,367.76/x
  3. Step 3: Cross multiply
    7,724.68x = 10,660.60 × 4,367.76
  4. Step 4: Simplify right side
    7,724.68x = 46,562,942.26
  5. Step 5: Solve for x
    x = 46,562,942.26/7,724.68
  6. Step 6: Final answer
    x = 6,027.82

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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.