Home / 11,881.97-16,397.63-6,576.78

Finding the Fourth Proportional to 11,881.97, 16,397.63 and 6,576.78

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Solution

The fourth proportional to 11,881.97, 16,397.63 and 6,576.78 is: 9,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.97 : 16,397.63 = 6,576.78 : x
  2. Step 2: Convert to fraction form
    11,881.97/16,397.63 = 6,576.78/x
  3. Step 3: Cross multiply
    11,881.97x = 16,397.63 × 6,576.78
  4. Step 4: Simplify right side
    11,881.97x = 107,843,596.81
  5. Step 5: Solve for x
    x = 107,843,596.81/11,881.97
  6. Step 6: Final answer
    x = 9,076.24

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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.