Home / 11,106.32-16,666.02-4,091.27

Finding the Fourth Proportional to 11,106.32, 16,666.02 and 4,091.27

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Solution

The fourth proportional to 11,106.32, 16,666.02 and 4,091.27 is: 6,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.32 : 16,666.02 = 4,091.27 : x
  2. Step 2: Convert to fraction form
    11,106.32/16,666.02 = 4,091.27/x
  3. Step 3: Cross multiply
    11,106.32x = 16,666.02 × 4,091.27
  4. Step 4: Simplify right side
    11,106.32x = 68,185,104.32
  5. Step 5: Solve for x
    x = 68,185,104.32/11,106.32
  6. Step 6: Final answer
    x = 6,139.31

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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.