Home / 10,941.75-16,420.56-4,369.80

Finding the Fourth Proportional to 10,941.75, 16,420.56 and 4,369.80

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Solution

The fourth proportional to 10,941.75, 16,420.56 and 4,369.80 is: 6,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.75 : 16,420.56 = 4,369.80 : x
  2. Step 2: Convert to fraction form
    10,941.75/16,420.56 = 4,369.80/x
  3. Step 3: Cross multiply
    10,941.75x = 16,420.56 × 4,369.80
  4. Step 4: Simplify right side
    10,941.75x = 71,754,563.09
  5. Step 5: Solve for x
    x = 71,754,563.09/10,941.75
  6. Step 6: Final answer
    x = 6,557.87

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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.