Home / 11,486.48-17,215.81-5,237.93

Finding the Fourth Proportional to 11,486.48, 17,215.81 and 5,237.93

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Solution

The fourth proportional to 11,486.48, 17,215.81 and 5,237.93 is: 7,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.48 : 17,215.81 = 5,237.93 : x
  2. Step 2: Convert to fraction form
    11,486.48/17,215.81 = 5,237.93/x
  3. Step 3: Cross multiply
    11,486.48x = 17,215.81 × 5,237.93
  4. Step 4: Simplify right side
    11,486.48x = 90,175,237.62
  5. Step 5: Solve for x
    x = 90,175,237.62/11,486.48
  6. Step 6: Final answer
    x = 7,850.56

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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.