Home / 11,054.80-16,583.36-5,209.84

Finding the Fourth Proportional to 11,054.80, 16,583.36 and 5,209.84

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Solution

The fourth proportional to 11,054.80, 16,583.36 and 5,209.84 is: 7,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.80 : 16,583.36 = 5,209.84 : x
  2. Step 2: Convert to fraction form
    11,054.80/16,583.36 = 5,209.84/x
  3. Step 3: Cross multiply
    11,054.80x = 16,583.36 × 5,209.84
  4. Step 4: Simplify right side
    11,054.80x = 86,396,652.26
  5. Step 5: Solve for x
    x = 86,396,652.26/11,054.80
  6. Step 6: Final answer
    x = 7,815.31

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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.