Home / 11,205.36-16,813.82-4,969.66

Finding the Fourth Proportional to 11,205.36, 16,813.82 and 4,969.66

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Solution

The fourth proportional to 11,205.36, 16,813.82 and 4,969.66 is: 7,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.36 : 16,813.82 = 4,969.66 : x
  2. Step 2: Convert to fraction form
    11,205.36/16,813.82 = 4,969.66/x
  3. Step 3: Cross multiply
    11,205.36x = 16,813.82 × 4,969.66
  4. Step 4: Simplify right side
    11,205.36x = 83,558,968.70
  5. Step 5: Solve for x
    x = 83,558,968.70/11,205.36
  6. Step 6: Final answer
    x = 7,457.05

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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.