Home / 12,245.03-18,369.44-5,225.07

Finding the Fourth Proportional to 12,245.03, 18,369.44 and 5,225.07

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Solution

The fourth proportional to 12,245.03, 18,369.44 and 5,225.07 is: 7,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.03 : 18,369.44 = 5,225.07 : x
  2. Step 2: Convert to fraction form
    12,245.03/18,369.44 = 5,225.07/x
  3. Step 3: Cross multiply
    12,245.03x = 18,369.44 × 5,225.07
  4. Step 4: Simplify right side
    12,245.03x = 95,981,609.86
  5. Step 5: Solve for x
    x = 95,981,609.86/12,245.03
  6. Step 6: Final answer
    x = 7,838.41

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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.