Home / 8,223.91-12,336.64-2,300.79

Finding the Fourth Proportional to 8,223.91, 12,336.64 and 2,300.79

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Solution

The fourth proportional to 8,223.91, 12,336.64 and 2,300.79 is: 3,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.91 : 12,336.64 = 2,300.79 : x
  2. Step 2: Convert to fraction form
    8,223.91/12,336.64 = 2,300.79/x
  3. Step 3: Cross multiply
    8,223.91x = 12,336.64 × 2,300.79
  4. Step 4: Simplify right side
    8,223.91x = 28,383,989.06
  5. Step 5: Solve for x
    x = 28,383,989.06/8,223.91
  6. Step 6: Final answer
    x = 3,451.40

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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.