Home / 12,326.91-18,479.37-5,744.04

Finding the Fourth Proportional to 12,326.91, 18,479.37 and 5,744.04

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Solution

The fourth proportional to 12,326.91, 18,479.37 and 5,744.04 is: 8,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.91 : 18,479.37 = 5,744.04 : x
  2. Step 2: Convert to fraction form
    12,326.91/18,479.37 = 5,744.04/x
  3. Step 3: Cross multiply
    12,326.91x = 18,479.37 × 5,744.04
  4. Step 4: Simplify right side
    12,326.91x = 106,146,240.45
  5. Step 5: Solve for x
    x = 106,146,240.45/12,326.91
  6. Step 6: Final answer
    x = 8,610.94

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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.