Home / 7,381.22-11,076.69-3,486.02

Finding the Fourth Proportional to 7,381.22, 11,076.69 and 3,486.02

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Solution

The fourth proportional to 7,381.22, 11,076.69 and 3,486.02 is: 5,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.22 : 11,076.69 = 3,486.02 : x
  2. Step 2: Convert to fraction form
    7,381.22/11,076.69 = 3,486.02/x
  3. Step 3: Cross multiply
    7,381.22x = 11,076.69 × 3,486.02
  4. Step 4: Simplify right side
    7,381.22x = 38,613,507.49
  5. Step 5: Solve for x
    x = 38,613,507.49/7,381.22
  6. Step 6: Final answer
    x = 5,231.32

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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.