Home / 12,524.99-17,284.44-7,147.43

Finding the Fourth Proportional to 12,524.99, 17,284.44 and 7,147.43

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Solution

The fourth proportional to 12,524.99, 17,284.44 and 7,147.43 is: 9,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.99 : 17,284.44 = 7,147.43 : x
  2. Step 2: Convert to fraction form
    12,524.99/17,284.44 = 7,147.43/x
  3. Step 3: Cross multiply
    12,524.99x = 17,284.44 × 7,147.43
  4. Step 4: Simplify right side
    12,524.99x = 123,539,324.99
  5. Step 5: Solve for x
    x = 123,539,324.99/12,524.99
  6. Step 6: Final answer
    x = 9,863.43

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Double scale
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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.