Home / 11,240.51-16,849.79-7,289.33

Finding the Fourth Proportional to 11,240.51, 16,849.79 and 7,289.33

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Solution

The fourth proportional to 11,240.51, 16,849.79 and 7,289.33 is: 10,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.51 : 16,849.79 = 7,289.33 : x
  2. Step 2: Convert to fraction form
    11,240.51/16,849.79 = 7,289.33/x
  3. Step 3: Cross multiply
    11,240.51x = 16,849.79 × 7,289.33
  4. Step 4: Simplify right side
    11,240.51x = 122,823,586.38
  5. Step 5: Solve for x
    x = 122,823,586.38/11,240.51
  6. Step 6: Final answer
    x = 10,926.87

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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.