Home / 8,144.43-11,238.69-4,607.87

Finding the Fourth Proportional to 8,144.43, 11,238.69 and 4,607.87

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Solution

The fourth proportional to 8,144.43, 11,238.69 and 4,607.87 is: 6,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.43 : 11,238.69 = 4,607.87 : x
  2. Step 2: Convert to fraction form
    8,144.43/11,238.69 = 4,607.87/x
  3. Step 3: Cross multiply
    8,144.43x = 11,238.69 × 4,607.87
  4. Step 4: Simplify right side
    8,144.43x = 51,786,366.30
  5. Step 5: Solve for x
    x = 51,786,366.30/8,144.43
  6. Step 6: Final answer
    x = 6,358.50

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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.