Home / 11,486.22-17,230.28-4,912.47

Finding the Fourth Proportional to 11,486.22, 17,230.28 and 4,912.47

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Solution

The fourth proportional to 11,486.22, 17,230.28 and 4,912.47 is: 7,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.22 : 17,230.28 = 4,912.47 : x
  2. Step 2: Convert to fraction form
    11,486.22/17,230.28 = 4,912.47/x
  3. Step 3: Cross multiply
    11,486.22x = 17,230.28 × 4,912.47
  4. Step 4: Simplify right side
    11,486.22x = 84,643,209.03
  5. Step 5: Solve for x
    x = 84,643,209.03/11,486.22
  6. Step 6: Final answer
    x = 7,369.11

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1.5x scale

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.