Home / 10,786.97-16,180.43-4,856.92

Finding the Fourth Proportional to 10,786.97, 16,180.43 and 4,856.92

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Solution

The fourth proportional to 10,786.97, 16,180.43 and 4,856.92 is: 7,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.97 : 16,180.43 = 4,856.92 : x
  2. Step 2: Convert to fraction form
    10,786.97/16,180.43 = 4,856.92/x
  3. Step 3: Cross multiply
    10,786.97x = 16,180.43 × 4,856.92
  4. Step 4: Simplify right side
    10,786.97x = 78,586,948.89
  5. Step 5: Solve for x
    x = 78,586,948.89/10,786.97
  6. Step 6: Final answer
    x = 7,285.36

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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.