Home / 27,856.97-41,786.46-9,137.45

Finding the Fourth Proportional to 27,856.97, 41,786.46 and 9,137.45

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Solution

The fourth proportional to 27,856.97, 41,786.46 and 9,137.45 is: 13,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.97 : 41,786.46 = 9,137.45 : x
  2. Step 2: Convert to fraction form
    27,856.97/41,786.46 = 9,137.45/x
  3. Step 3: Cross multiply
    27,856.97x = 41,786.46 × 9,137.45
  4. Step 4: Simplify right side
    27,856.97x = 381,821,688.93
  5. Step 5: Solve for x
    x = 381,821,688.93/27,856.97
  6. Step 6: Final answer
    x = 13,706.50

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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.