Home / 6,656.06-9,181.92-5,398.54

Finding the Fourth Proportional to 6,656.06, 9,181.92 and 5,398.54

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Solution

The fourth proportional to 6,656.06, 9,181.92 and 5,398.54 is: 7,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.06 : 9,181.92 = 5,398.54 : x
  2. Step 2: Convert to fraction form
    6,656.06/9,181.92 = 5,398.54/x
  3. Step 3: Cross multiply
    6,656.06x = 9,181.92 × 5,398.54
  4. Step 4: Simplify right side
    6,656.06x = 49,568,962.40
  5. Step 5: Solve for x
    x = 49,568,962.40/6,656.06
  6. Step 6: Final answer
    x = 7,447.19

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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.