Home / 12,211.14-18,276.60-9,273.26

Finding the Fourth Proportional to 12,211.14, 18,276.60 and 9,273.26

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Solution

The fourth proportional to 12,211.14, 18,276.60 and 9,273.26 is: 13,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.14 : 18,276.60 = 9,273.26 : x
  2. Step 2: Convert to fraction form
    12,211.14/18,276.60 = 9,273.26/x
  3. Step 3: Cross multiply
    12,211.14x = 18,276.60 × 9,273.26
  4. Step 4: Simplify right side
    12,211.14x = 169,483,663.72
  5. Step 5: Solve for x
    x = 169,483,663.72/12,211.14
  6. Step 6: Final answer
    x = 13,879.43

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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.