Home / 12,755.03-17,601.84-7,090.29

Finding the Fourth Proportional to 12,755.03, 17,601.84 and 7,090.29

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Solution

The fourth proportional to 12,755.03, 17,601.84 and 7,090.29 is: 9,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.03 : 17,601.84 = 7,090.29 : x
  2. Step 2: Convert to fraction form
    12,755.03/17,601.84 = 7,090.29/x
  3. Step 3: Cross multiply
    12,755.03x = 17,601.84 × 7,090.29
  4. Step 4: Simplify right side
    12,755.03x = 124,802,150.13
  5. Step 5: Solve for x
    x = 124,802,150.13/12,755.03
  6. Step 6: Final answer
    x = 9,784.55

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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.