Home / 11,240.88-16,862.13-4,315.38

Finding the Fourth Proportional to 11,240.88, 16,862.13 and 4,315.38

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Solution

The fourth proportional to 11,240.88, 16,862.13 and 4,315.38 is: 6,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.88 : 16,862.13 = 4,315.38 : x
  2. Step 2: Convert to fraction form
    11,240.88/16,862.13 = 4,315.38/x
  3. Step 3: Cross multiply
    11,240.88x = 16,862.13 × 4,315.38
  4. Step 4: Simplify right side
    11,240.88x = 72,766,392.67
  5. Step 5: Solve for x
    x = 72,766,392.67/11,240.88
  6. Step 6: Final answer
    x = 6,473.37

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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.