Home / 10,940.26-16,415.75-6,779.16

Finding the Fourth Proportional to 10,940.26, 16,415.75 and 6,779.16

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Solution

The fourth proportional to 10,940.26, 16,415.75 and 6,779.16 is: 10,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.26 : 16,415.75 = 6,779.16 : x
  2. Step 2: Convert to fraction form
    10,940.26/16,415.75 = 6,779.16/x
  3. Step 3: Cross multiply
    10,940.26x = 16,415.75 × 6,779.16
  4. Step 4: Simplify right side
    10,940.26x = 111,284,995.77
  5. Step 5: Solve for x
    x = 111,284,995.77/10,940.26
  6. Step 6: Final answer
    x = 10,172.06

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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.