Home / 12,076.56-16,664.13-7,042.41

Finding the Fourth Proportional to 12,076.56, 16,664.13 and 7,042.41

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Solution

The fourth proportional to 12,076.56, 16,664.13 and 7,042.41 is: 9,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.56 : 16,664.13 = 7,042.41 : x
  2. Step 2: Convert to fraction form
    12,076.56/16,664.13 = 7,042.41/x
  3. Step 3: Cross multiply
    12,076.56x = 16,664.13 × 7,042.41
  4. Step 4: Simplify right side
    12,076.56x = 117,355,635.75
  5. Step 5: Solve for x
    x = 117,355,635.75/12,076.56
  6. Step 6: Final answer
    x = 9,717.64

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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.