Home / 12,440.21-18,662.33-3,676.01

Finding the Fourth Proportional to 12,440.21, 18,662.33 and 3,676.01

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Solution

The fourth proportional to 12,440.21, 18,662.33 and 3,676.01 is: 5,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.21 : 18,662.33 = 3,676.01 : x
  2. Step 2: Convert to fraction form
    12,440.21/18,662.33 = 3,676.01/x
  3. Step 3: Cross multiply
    12,440.21x = 18,662.33 × 3,676.01
  4. Step 4: Simplify right side
    12,440.21x = 68,602,800.01
  5. Step 5: Solve for x
    x = 68,602,800.01/12,440.21
  6. Step 6: Final answer
    x = 5,514.60

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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.