Home / 11,127.76-16,686.24-4,111.08

Finding the Fourth Proportional to 11,127.76, 16,686.24 and 4,111.08

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Solution

The fourth proportional to 11,127.76, 16,686.24 and 4,111.08 is: 6,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.76 : 16,686.24 = 4,111.08 : x
  2. Step 2: Convert to fraction form
    11,127.76/16,686.24 = 4,111.08/x
  3. Step 3: Cross multiply
    11,127.76x = 16,686.24 × 4,111.08
  4. Step 4: Simplify right side
    11,127.76x = 68,598,467.54
  5. Step 5: Solve for x
    x = 68,598,467.54/11,127.76
  6. Step 6: Final answer
    x = 6,164.63

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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.