Home / 8,151.65-12,226.03-3,708.28

Finding the Fourth Proportional to 8,151.65, 12,226.03 and 3,708.28

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Solution

The fourth proportional to 8,151.65, 12,226.03 and 3,708.28 is: 5,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.65 : 12,226.03 = 3,708.28 : x
  2. Step 2: Convert to fraction form
    8,151.65/12,226.03 = 3,708.28/x
  3. Step 3: Cross multiply
    8,151.65x = 12,226.03 × 3,708.28
  4. Step 4: Simplify right side
    8,151.65x = 45,337,548.54
  5. Step 5: Solve for x
    x = 45,337,548.54/8,151.65
  6. Step 6: Final answer
    x = 5,561.76

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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.