Home / 12,741.64-17,584.05-7,076.41

Finding the Fourth Proportional to 12,741.64, 17,584.05 and 7,076.41

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Solution

The fourth proportional to 12,741.64, 17,584.05 and 7,076.41 is: 9,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.64 : 17,584.05 = 7,076.41 : x
  2. Step 2: Convert to fraction form
    12,741.64/17,584.05 = 7,076.41/x
  3. Step 3: Cross multiply
    12,741.64x = 17,584.05 × 7,076.41
  4. Step 4: Simplify right side
    12,741.64x = 124,431,911.88
  5. Step 5: Solve for x
    x = 124,431,911.88/12,741.64
  6. Step 6: Final answer
    x = 9,765.77

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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.