Home / 11,102.72-16,659.48-5,252.36

Finding the Fourth Proportional to 11,102.72, 16,659.48 and 5,252.36

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Solution

The fourth proportional to 11,102.72, 16,659.48 and 5,252.36 is: 7,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.72 : 16,659.48 = 5,252.36 : x
  2. Step 2: Convert to fraction form
    11,102.72/16,659.48 = 5,252.36/x
  3. Step 3: Cross multiply
    11,102.72x = 16,659.48 × 5,252.36
  4. Step 4: Simplify right side
    11,102.72x = 87,501,586.37
  5. Step 5: Solve for x
    x = 87,501,586.37/11,102.72
  6. Step 6: Final answer
    x = 7,881.09

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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.