Home / 8,198.04-11,316.96-5,553.48

Finding the Fourth Proportional to 8,198.04, 11,316.96 and 5,553.48

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Solution

The fourth proportional to 8,198.04, 11,316.96 and 5,553.48 is: 7,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.04 : 11,316.96 = 5,553.48 : x
  2. Step 2: Convert to fraction form
    8,198.04/11,316.96 = 5,553.48/x
  3. Step 3: Cross multiply
    8,198.04x = 11,316.96 × 5,553.48
  4. Step 4: Simplify right side
    8,198.04x = 62,848,511.02
  5. Step 5: Solve for x
    x = 62,848,511.02/8,198.04
  6. Step 6: Final answer
    x = 7,666.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.