Home / 11,137.41-16,710.80-4,894.20

Finding the Fourth Proportional to 11,137.41, 16,710.80 and 4,894.20

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Solution

The fourth proportional to 11,137.41, 16,710.80 and 4,894.20 is: 7,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.41 : 16,710.80 = 4,894.20 : x
  2. Step 2: Convert to fraction form
    11,137.41/16,710.80 = 4,894.20/x
  3. Step 3: Cross multiply
    11,137.41x = 16,710.80 × 4,894.20
  4. Step 4: Simplify right side
    11,137.41x = 81,785,972.89
  5. Step 5: Solve for x
    x = 81,785,972.89/11,137.41
  6. Step 6: Final answer
    x = 7,343.36

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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.