Home / 9,107.94-13,661.16-3,840.62

Finding the Fourth Proportional to 9,107.94, 13,661.16 and 3,840.62

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Solution

The fourth proportional to 9,107.94, 13,661.16 and 3,840.62 is: 5,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.94 : 13,661.16 = 3,840.62 : x
  2. Step 2: Convert to fraction form
    9,107.94/13,661.16 = 3,840.62/x
  3. Step 3: Cross multiply
    9,107.94x = 13,661.16 × 3,840.62
  4. Step 4: Simplify right side
    9,107.94x = 52,467,241.61
  5. Step 5: Solve for x
    x = 52,467,241.61/9,107.94
  6. Step 6: Final answer
    x = 5,760.60

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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.