Home / 11,696.48-17,543.28-5,121.44

Finding the Fourth Proportional to 11,696.48, 17,543.28 and 5,121.44

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Solution

The fourth proportional to 11,696.48, 17,543.28 and 5,121.44 is: 7,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.48 : 17,543.28 = 5,121.44 : x
  2. Step 2: Convert to fraction form
    11,696.48/17,543.28 = 5,121.44/x
  3. Step 3: Cross multiply
    11,696.48x = 17,543.28 × 5,121.44
  4. Step 4: Simplify right side
    11,696.48x = 89,846,855.92
  5. Step 5: Solve for x
    x = 89,846,855.92/11,696.48
  6. Step 6: Final answer
    x = 7,681.53

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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.