Home / 8,153.21-12,235.93-3,773.75

Finding the Fourth Proportional to 8,153.21, 12,235.93 and 3,773.75

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Solution

The fourth proportional to 8,153.21, 12,235.93 and 3,773.75 is: 5,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.21 : 12,235.93 = 3,773.75 : x
  2. Step 2: Convert to fraction form
    8,153.21/12,235.93 = 3,773.75/x
  3. Step 3: Cross multiply
    8,153.21x = 12,235.93 × 3,773.75
  4. Step 4: Simplify right side
    8,153.21x = 46,175,270.22
  5. Step 5: Solve for x
    x = 46,175,270.22/8,153.21
  6. Step 6: Final answer
    x = 5,663.44

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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.