Home / 7,406.92-10,222.29-4,422.73

Finding the Fourth Proportional to 7,406.92, 10,222.29 and 4,422.73

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Solution

The fourth proportional to 7,406.92, 10,222.29 and 4,422.73 is: 6,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.92 : 10,222.29 = 4,422.73 : x
  2. Step 2: Convert to fraction form
    7,406.92/10,222.29 = 4,422.73/x
  3. Step 3: Cross multiply
    7,406.92x = 10,222.29 × 4,422.73
  4. Step 4: Simplify right side
    7,406.92x = 45,210,428.65
  5. Step 5: Solve for x
    x = 45,210,428.65/7,406.92
  6. Step 6: Final answer
    x = 6,103.81

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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.