Home / 8,792.75-12,133.62-4,813.76

Finding the Fourth Proportional to 8,792.75, 12,133.62 and 4,813.76

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Solution

The fourth proportional to 8,792.75, 12,133.62 and 4,813.76 is: 6,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.75 : 12,133.62 = 4,813.76 : x
  2. Step 2: Convert to fraction form
    8,792.75/12,133.62 = 4,813.76/x
  3. Step 3: Cross multiply
    8,792.75x = 12,133.62 × 4,813.76
  4. Step 4: Simplify right side
    8,792.75x = 58,408,273.94
  5. Step 5: Solve for x
    x = 58,408,273.94/8,792.75
  6. Step 6: Final answer
    x = 6,642.78

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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.