Home / 7,696.24-11,531.28-6,949.36

Finding the Fourth Proportional to 7,696.24, 11,531.28 and 6,949.36

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Solution

The fourth proportional to 7,696.24, 11,531.28 and 6,949.36 is: 10,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.24 : 11,531.28 = 6,949.36 : x
  2. Step 2: Convert to fraction form
    7,696.24/11,531.28 = 6,949.36/x
  3. Step 3: Cross multiply
    7,696.24x = 11,531.28 × 6,949.36
  4. Step 4: Simplify right side
    7,696.24x = 80,135,015.98
  5. Step 5: Solve for x
    x = 80,135,015.98/7,696.24
  6. Step 6: Final answer
    x = 10,412.23

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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.