Home / 11,486.45-17,223.28-4,462.09

Finding the Fourth Proportional to 11,486.45, 17,223.28 and 4,462.09

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Solution

The fourth proportional to 11,486.45, 17,223.28 and 4,462.09 is: 6,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.45 : 17,223.28 = 4,462.09 : x
  2. Step 2: Convert to fraction form
    11,486.45/17,223.28 = 4,462.09/x
  3. Step 3: Cross multiply
    11,486.45x = 17,223.28 × 4,462.09
  4. Step 4: Simplify right side
    11,486.45x = 76,851,825.46
  5. Step 5: Solve for x
    x = 76,851,825.46/11,486.45
  6. Step 6: Final answer
    x = 6,690.65

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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.