Home / 11,425.23-15,771.94-6,709.81

Finding the Fourth Proportional to 11,425.23, 15,771.94 and 6,709.81

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Solution

The fourth proportional to 11,425.23, 15,771.94 and 6,709.81 is: 9,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.23 : 15,771.94 = 6,709.81 : x
  2. Step 2: Convert to fraction form
    11,425.23/15,771.94 = 6,709.81/x
  3. Step 3: Cross multiply
    11,425.23x = 15,771.94 × 6,709.81
  4. Step 4: Simplify right side
    11,425.23x = 105,826,720.73
  5. Step 5: Solve for x
    x = 105,826,720.73/11,425.23
  6. Step 6: Final answer
    x = 9,262.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.