Home / 11,007.53-16,511-3,110.59

Finding the Fourth Proportional to 11,007.53, 16,511 and 3,110.59

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Solution

The fourth proportional to 11,007.53, 16,511 and 3,110.59 is: 4,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.53 : 16,511 = 3,110.59 : x
  2. Step 2: Convert to fraction form
    11,007.53/16,511 = 3,110.59/x
  3. Step 3: Cross multiply
    11,007.53x = 16,511 × 3,110.59
  4. Step 4: Simplify right side
    11,007.53x = 51,358,951.49
  5. Step 5: Solve for x
    x = 51,358,951.49/11,007.53
  6. Step 6: Final answer
    x = 4,665.80

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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.