Home / 12,274.40-16,844.48-11,496.80

Finding the Fourth Proportional to 12,274.40, 16,844.48 and 11,496.80

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Solution

The fourth proportional to 12,274.40, 16,844.48 and 11,496.80 is: 15,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.40 : 16,844.48 = 11,496.80 : x
  2. Step 2: Convert to fraction form
    12,274.40/16,844.48 = 11,496.80/x
  3. Step 3: Cross multiply
    12,274.40x = 16,844.48 × 11,496.80
  4. Step 4: Simplify right side
    12,274.40x = 193,657,617.66
  5. Step 5: Solve for x
    x = 193,657,617.66/12,274.40
  6. Step 6: Final answer
    x = 15,777.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.