Home / 11,027.40-15,215.43-8,043.94

Finding the Fourth Proportional to 11,027.40, 15,215.43 and 8,043.94

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Solution

The fourth proportional to 11,027.40, 15,215.43 and 8,043.94 is: 11,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.40 : 15,215.43 = 8,043.94 : x
  2. Step 2: Convert to fraction form
    11,027.40/15,215.43 = 8,043.94/x
  3. Step 3: Cross multiply
    11,027.40x = 15,215.43 × 8,043.94
  4. Step 4: Simplify right side
    11,027.40x = 122,392,005.99
  5. Step 5: Solve for x
    x = 122,392,005.99/11,027.40
  6. Step 6: Final answer
    x = 11,098.90

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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.