Home / 11,120.36-16,684.86-6,740.96

Finding the Fourth Proportional to 11,120.36, 16,684.86 and 6,740.96

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Solution

The fourth proportional to 11,120.36, 16,684.86 and 6,740.96 is: 10,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.36 : 16,684.86 = 6,740.96 : x
  2. Step 2: Convert to fraction form
    11,120.36/16,684.86 = 6,740.96/x
  3. Step 3: Cross multiply
    11,120.36x = 16,684.86 × 6,740.96
  4. Step 4: Simplify right side
    11,120.36x = 112,471,973.87
  5. Step 5: Solve for x
    x = 112,471,973.87/11,120.36
  6. Step 6: Final answer
    x = 10,114.06

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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.