Home / 8,326.24-12,480.08-3,708.64

Finding the Fourth Proportional to 8,326.24, 12,480.08 and 3,708.64

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Solution

The fourth proportional to 8,326.24, 12,480.08 and 3,708.64 is: 5,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.24 : 12,480.08 = 3,708.64 : x
  2. Step 2: Convert to fraction form
    8,326.24/12,480.08 = 3,708.64/x
  3. Step 3: Cross multiply
    8,326.24x = 12,480.08 × 3,708.64
  4. Step 4: Simplify right side
    8,326.24x = 46,284,123.89
  5. Step 5: Solve for x
    x = 46,284,123.89/8,326.24
  6. Step 6: Final answer
    x = 5,558.83

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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.