Home / 10,738.14-16,108.41-2,946.78

Finding the Fourth Proportional to 10,738.14, 16,108.41 and 2,946.78

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Solution

The fourth proportional to 10,738.14, 16,108.41 and 2,946.78 is: 4,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738.14 : 16,108.41 = 2,946.78 : x
  2. Step 2: Convert to fraction form
    10,738.14/16,108.41 = 2,946.78/x
  3. Step 3: Cross multiply
    10,738.14x = 16,108.41 × 2,946.78
  4. Step 4: Simplify right side
    10,738.14x = 47,467,940.42
  5. Step 5: Solve for x
    x = 47,467,940.42/10,738.14
  6. Step 6: Final answer
    x = 4,420.50

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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.