Home / 8,122.48-11,208.81-4,537.34

Finding the Fourth Proportional to 8,122.48, 11,208.81 and 4,537.34

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Solution

The fourth proportional to 8,122.48, 11,208.81 and 4,537.34 is: 6,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.48 : 11,208.81 = 4,537.34 : x
  2. Step 2: Convert to fraction form
    8,122.48/11,208.81 = 4,537.34/x
  3. Step 3: Cross multiply
    8,122.48x = 11,208.81 × 4,537.34
  4. Step 4: Simplify right side
    8,122.48x = 50,858,181.97
  5. Step 5: Solve for x
    x = 50,858,181.97/8,122.48
  6. Step 6: Final answer
    x = 6,261.41

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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.