Home / 11,750.50-17,623.86-3,428.56

Finding the Fourth Proportional to 11,750.50, 17,623.86 and 3,428.56

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Solution

The fourth proportional to 11,750.50, 17,623.86 and 3,428.56 is: 5,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.50 : 17,623.86 = 3,428.56 : x
  2. Step 2: Convert to fraction form
    11,750.50/17,623.86 = 3,428.56/x
  3. Step 3: Cross multiply
    11,750.50x = 17,623.86 × 3,428.56
  4. Step 4: Simplify right side
    11,750.50x = 60,424,461.44
  5. Step 5: Solve for x
    x = 60,424,461.44/11,750.50
  6. Step 6: Final answer
    x = 5,142.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.