Home / 11,261.43-16,887.32-3,866.63

Finding the Fourth Proportional to 11,261.43, 16,887.32 and 3,866.63

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Solution

The fourth proportional to 11,261.43, 16,887.32 and 3,866.63 is: 5,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.43 : 16,887.32 = 3,866.63 : x
  2. Step 2: Convert to fraction form
    11,261.43/16,887.32 = 3,866.63/x
  3. Step 3: Cross multiply
    11,261.43x = 16,887.32 × 3,866.63
  4. Step 4: Simplify right side
    11,261.43x = 65,296,914.36
  5. Step 5: Solve for x
    x = 65,296,914.36/11,261.43
  6. Step 6: Final answer
    x = 5,798.28

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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.