Home / 6,940.10-10,409.84-2,009.62

Finding the Fourth Proportional to 6,940.10, 10,409.84 and 2,009.62

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Solution

The fourth proportional to 6,940.10, 10,409.84 and 2,009.62 is: 3,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.10 : 10,409.84 = 2,009.62 : x
  2. Step 2: Convert to fraction form
    6,940.10/10,409.84 = 2,009.62/x
  3. Step 3: Cross multiply
    6,940.10x = 10,409.84 × 2,009.62
  4. Step 4: Simplify right side
    6,940.10x = 20,919,822.66
  5. Step 5: Solve for x
    x = 20,919,822.66/6,940.10
  6. Step 6: Final answer
    x = 3,014.34

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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.