Home / 11,971.24-16,529.22-7,261.90

Finding the Fourth Proportional to 11,971.24, 16,529.22 and 7,261.90

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Solution

The fourth proportional to 11,971.24, 16,529.22 and 7,261.90 is: 10,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.24 : 16,529.22 = 7,261.90 : x
  2. Step 2: Convert to fraction form
    11,971.24/16,529.22 = 7,261.90/x
  3. Step 3: Cross multiply
    11,971.24x = 16,529.22 × 7,261.90
  4. Step 4: Simplify right side
    11,971.24x = 120,033,542.72
  5. Step 5: Solve for x
    x = 120,033,542.72/11,971.24
  6. Step 6: Final answer
    x = 10,026.83

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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.