Home / 11,103.73-16,663.80-5,260.35

Finding the Fourth Proportional to 11,103.73, 16,663.80 and 5,260.35

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Solution

The fourth proportional to 11,103.73, 16,663.80 and 5,260.35 is: 7,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.73 : 16,663.80 = 5,260.35 : x
  2. Step 2: Convert to fraction form
    11,103.73/16,663.80 = 5,260.35/x
  3. Step 3: Cross multiply
    11,103.73x = 16,663.80 × 5,260.35
  4. Step 4: Simplify right side
    11,103.73x = 87,657,420.33
  5. Step 5: Solve for x
    x = 87,657,420.33/11,103.73
  6. Step 6: Final answer
    x = 7,894.41

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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.