Home / 8,792.21-13,170.65-4,105.75

Finding the Fourth Proportional to 8,792.21, 13,170.65 and 4,105.75

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Solution

The fourth proportional to 8,792.21, 13,170.65 and 4,105.75 is: 6,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.21 : 13,170.65 = 4,105.75 : x
  2. Step 2: Convert to fraction form
    8,792.21/13,170.65 = 4,105.75/x
  3. Step 3: Cross multiply
    8,792.21x = 13,170.65 × 4,105.75
  4. Step 4: Simplify right side
    8,792.21x = 54,075,396.24
  5. Step 5: Solve for x
    x = 54,075,396.24/8,792.21
  6. Step 6: Final answer
    x = 6,150.38

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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.