Home / 11,294.42-16,938.23-4,272.08

Finding the Fourth Proportional to 11,294.42, 16,938.23 and 4,272.08

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Solution

The fourth proportional to 11,294.42, 16,938.23 and 4,272.08 is: 6,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.42 : 16,938.23 = 4,272.08 : x
  2. Step 2: Convert to fraction form
    11,294.42/16,938.23 = 4,272.08/x
  3. Step 3: Cross multiply
    11,294.42x = 16,938.23 × 4,272.08
  4. Step 4: Simplify right side
    11,294.42x = 72,361,367.57
  5. Step 5: Solve for x
    x = 72,361,367.57/11,294.42
  6. Step 6: Final answer
    x = 6,406.83

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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.