Home / 12,163-18,246.90-3,844.24

Finding the Fourth Proportional to 12,163, 18,246.90 and 3,844.24

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Solution

The fourth proportional to 12,163, 18,246.90 and 3,844.24 is: 5,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163 : 18,246.90 = 3,844.24 : x
  2. Step 2: Convert to fraction form
    12,163/18,246.90 = 3,844.24/x
  3. Step 3: Cross multiply
    12,163x = 18,246.90 × 3,844.24
  4. Step 4: Simplify right side
    12,163x = 70,145,462.86
  5. Step 5: Solve for x
    x = 70,145,462.86/12,163
  6. Step 6: Final answer
    x = 5,767.12

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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.