Home / 11,975.10-16,525.67-6,940.29

Finding the Fourth Proportional to 11,975.10, 16,525.67 and 6,940.29

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Solution

The fourth proportional to 11,975.10, 16,525.67 and 6,940.29 is: 9,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.10 : 16,525.67 = 6,940.29 : x
  2. Step 2: Convert to fraction form
    11,975.10/16,525.67 = 6,940.29/x
  3. Step 3: Cross multiply
    11,975.10x = 16,525.67 × 6,940.29
  4. Step 4: Simplify right side
    11,975.10x = 114,692,907.54
  5. Step 5: Solve for x
    x = 114,692,907.54/11,975.10
  6. Step 6: Final answer
    x = 9,577.62

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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.