Home / 12,494.09-17,237.43-8,020.26

Finding the Fourth Proportional to 12,494.09, 17,237.43 and 8,020.26

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Solution

The fourth proportional to 12,494.09, 17,237.43 and 8,020.26 is: 11,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.09 : 17,237.43 = 8,020.26 : x
  2. Step 2: Convert to fraction form
    12,494.09/17,237.43 = 8,020.26/x
  3. Step 3: Cross multiply
    12,494.09x = 17,237.43 × 8,020.26
  4. Step 4: Simplify right side
    12,494.09x = 138,248,670.33
  5. Step 5: Solve for x
    x = 138,248,670.33/12,494.09
  6. Step 6: Final answer
    x = 11,065.12

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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.