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Finding the Fourth Proportional to 11,133.44, 15,361.69 and 6,827.45

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Solution

The fourth proportional to 11,133.44, 15,361.69 and 6,827.45 is: 9,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.44 : 15,361.69 = 6,827.45 : x
  2. Step 2: Convert to fraction form
    11,133.44/15,361.69 = 6,827.45/x
  3. Step 3: Cross multiply
    11,133.44x = 15,361.69 × 6,827.45
  4. Step 4: Simplify right side
    11,133.44x = 104,881,170.39
  5. Step 5: Solve for x
    x = 104,881,170.39/11,133.44
  6. Step 6: Final answer
    x = 9,420.37

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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.