Home / 11,057.36-16,586.52-4,128.08

Finding the Fourth Proportional to 11,057.36, 16,586.52 and 4,128.08

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Solution

The fourth proportional to 11,057.36, 16,586.52 and 4,128.08 is: 6,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.36 : 16,586.52 = 4,128.08 : x
  2. Step 2: Convert to fraction form
    11,057.36/16,586.52 = 4,128.08/x
  3. Step 3: Cross multiply
    11,057.36x = 16,586.52 × 4,128.08
  4. Step 4: Simplify right side
    11,057.36x = 68,470,481.48
  5. Step 5: Solve for x
    x = 68,470,481.48/11,057.36
  6. Step 6: Final answer
    x = 6,192.30

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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.