Home / 11,923.11-17,882.91-3,158.64

Finding the Fourth Proportional to 11,923.11, 17,882.91 and 3,158.64

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Solution

The fourth proportional to 11,923.11, 17,882.91 and 3,158.64 is: 4,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.11 : 17,882.91 = 3,158.64 : x
  2. Step 2: Convert to fraction form
    11,923.11/17,882.91 = 3,158.64/x
  3. Step 3: Cross multiply
    11,923.11x = 17,882.91 × 3,158.64
  4. Step 4: Simplify right side
    11,923.11x = 56,485,674.84
  5. Step 5: Solve for x
    x = 56,485,674.84/11,923.11
  6. Step 6: Final answer
    x = 4,737.50

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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.