Home / 10,941.76-16,418.08-4,380.72

Finding the Fourth Proportional to 10,941.76, 16,418.08 and 4,380.72

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Solution

The fourth proportional to 10,941.76, 16,418.08 and 4,380.72 is: 6,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.76 : 16,418.08 = 4,380.72 : x
  2. Step 2: Convert to fraction form
    10,941.76/16,418.08 = 4,380.72/x
  3. Step 3: Cross multiply
    10,941.76x = 16,418.08 × 4,380.72
  4. Step 4: Simplify right side
    10,941.76x = 71,923,011.42
  5. Step 5: Solve for x
    x = 71,923,011.42/10,941.76
  6. Step 6: Final answer
    x = 6,573.26

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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.