Home / 12,446.24-18,668.74-4,654.44

Finding the Fourth Proportional to 12,446.24, 18,668.74 and 4,654.44

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Solution

The fourth proportional to 12,446.24, 18,668.74 and 4,654.44 is: 6,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.24 : 18,668.74 = 4,654.44 : x
  2. Step 2: Convert to fraction form
    12,446.24/18,668.74 = 4,654.44/x
  3. Step 3: Cross multiply
    12,446.24x = 18,668.74 × 4,654.44
  4. Step 4: Simplify right side
    12,446.24x = 86,892,506.93
  5. Step 5: Solve for x
    x = 86,892,506.93/12,446.24
  6. Step 6: Final answer
    x = 6,981.43

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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.