Home / 11,184.12-16,781.70-5,261.46

Finding the Fourth Proportional to 11,184.12, 16,781.70 and 5,261.46

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Solution

The fourth proportional to 11,184.12, 16,781.70 and 5,261.46 is: 7,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.12 : 16,781.70 = 5,261.46 : x
  2. Step 2: Convert to fraction form
    11,184.12/16,781.70 = 5,261.46/x
  3. Step 3: Cross multiply
    11,184.12x = 16,781.70 × 5,261.46
  4. Step 4: Simplify right side
    11,184.12x = 88,296,243.28
  5. Step 5: Solve for x
    x = 88,296,243.28/11,184.12
  6. Step 6: Final answer
    x = 7,894.79

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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.