Home / 12,733.33-17,571.03-7,143.25

Finding the Fourth Proportional to 12,733.33, 17,571.03 and 7,143.25

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Solution

The fourth proportional to 12,733.33, 17,571.03 and 7,143.25 is: 9,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.33 : 17,571.03 = 7,143.25 : x
  2. Step 2: Convert to fraction form
    12,733.33/17,571.03 = 7,143.25/x
  3. Step 3: Cross multiply
    12,733.33x = 17,571.03 × 7,143.25
  4. Step 4: Simplify right side
    12,733.33x = 125,514,260.05
  5. Step 5: Solve for x
    x = 125,514,260.05/12,733.33
  6. Step 6: Final answer
    x = 9,857.14

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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.