Home / 12,076.44-16,651.26-11,180.76

Finding the Fourth Proportional to 12,076.44, 16,651.26 and 11,180.76

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Solution

The fourth proportional to 12,076.44, 16,651.26 and 11,180.76 is: 15,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.44 : 16,651.26 = 11,180.76 : x
  2. Step 2: Convert to fraction form
    12,076.44/16,651.26 = 11,180.76/x
  3. Step 3: Cross multiply
    12,076.44x = 16,651.26 × 11,180.76
  4. Step 4: Simplify right side
    12,076.44x = 186,173,741.76
  5. Step 5: Solve for x
    x = 186,173,741.76/12,076.44
  6. Step 6: Final answer
    x = 15,416.28

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.