Home / 9,171.11-13,750.58-3,327.77

Finding the Fourth Proportional to 9,171.11, 13,750.58 and 3,327.77

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Solution

The fourth proportional to 9,171.11, 13,750.58 and 3,327.77 is: 4,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.11 : 13,750.58 = 3,327.77 : x
  2. Step 2: Convert to fraction form
    9,171.11/13,750.58 = 3,327.77/x
  3. Step 3: Cross multiply
    9,171.11x = 13,750.58 × 3,327.77
  4. Step 4: Simplify right side
    9,171.11x = 45,758,682.21
  5. Step 5: Solve for x
    x = 45,758,682.21/9,171.11
  6. Step 6: Final answer
    x = 4,989.44

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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.