Home / 11,381.07-17,090.13-7,026.21

Finding the Fourth Proportional to 11,381.07, 17,090.13 and 7,026.21

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Solution

The fourth proportional to 11,381.07, 17,090.13 and 7,026.21 is: 10,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.07 : 17,090.13 = 7,026.21 : x
  2. Step 2: Convert to fraction form
    11,381.07/17,090.13 = 7,026.21/x
  3. Step 3: Cross multiply
    11,381.07x = 17,090.13 × 7,026.21
  4. Step 4: Simplify right side
    11,381.07x = 120,078,842.31
  5. Step 5: Solve for x
    x = 120,078,842.31/11,381.07
  6. Step 6: Final answer
    x = 10,550.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.