Home / 11,675.80-16,114.68-6,960.38

Finding the Fourth Proportional to 11,675.80, 16,114.68 and 6,960.38

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Solution

The fourth proportional to 11,675.80, 16,114.68 and 6,960.38 is: 9,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.80 : 16,114.68 = 6,960.38 : x
  2. Step 2: Convert to fraction form
    11,675.80/16,114.68 = 6,960.38/x
  3. Step 3: Cross multiply
    11,675.80x = 16,114.68 × 6,960.38
  4. Step 4: Simplify right side
    11,675.80x = 112,164,296.38
  5. Step 5: Solve for x
    x = 112,164,296.38/11,675.80
  6. Step 6: Final answer
    x = 9,606.56

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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.