Home / 11,651.44-16,092.30-7,690.18

Finding the Fourth Proportional to 11,651.44, 16,092.30 and 7,690.18

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Solution

The fourth proportional to 11,651.44, 16,092.30 and 7,690.18 is: 10,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.44 : 16,092.30 = 7,690.18 : x
  2. Step 2: Convert to fraction form
    11,651.44/16,092.30 = 7,690.18/x
  3. Step 3: Cross multiply
    11,651.44x = 16,092.30 × 7,690.18
  4. Step 4: Simplify right side
    11,651.44x = 123,752,683.61
  5. Step 5: Solve for x
    x = 123,752,683.61/11,651.44
  6. Step 6: Final answer
    x = 10,621.24

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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.