Home / 9,431.88-14,144.45-2,766.53

Finding the Fourth Proportional to 9,431.88, 14,144.45 and 2,766.53

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Solution

The fourth proportional to 9,431.88, 14,144.45 and 2,766.53 is: 4,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.88 : 14,144.45 = 2,766.53 : x
  2. Step 2: Convert to fraction form
    9,431.88/14,144.45 = 2,766.53/x
  3. Step 3: Cross multiply
    9,431.88x = 14,144.45 × 2,766.53
  4. Step 4: Simplify right side
    9,431.88x = 39,130,960.70
  5. Step 5: Solve for x
    x = 39,130,960.70/9,431.88
  6. Step 6: Final answer
    x = 4,148.80

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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.