Home / 10,941.21-16,401.24-3,540.65

Finding the Fourth Proportional to 10,941.21, 16,401.24 and 3,540.65

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Solution

The fourth proportional to 10,941.21, 16,401.24 and 3,540.65 is: 5,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.21 : 16,401.24 = 3,540.65 : x
  2. Step 2: Convert to fraction form
    10,941.21/16,401.24 = 3,540.65/x
  3. Step 3: Cross multiply
    10,941.21x = 16,401.24 × 3,540.65
  4. Step 4: Simplify right side
    10,941.21x = 58,070,968.40
  5. Step 5: Solve for x
    x = 58,070,968.40/10,941.21
  6. Step 6: Final answer
    x = 5,307.55

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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.