Home / 11,133.51-16,708.71-4,120.17

Finding the Fourth Proportional to 11,133.51, 16,708.71 and 4,120.17

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Solution

The fourth proportional to 11,133.51, 16,708.71 and 4,120.17 is: 6,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.51 : 16,708.71 = 4,120.17 : x
  2. Step 2: Convert to fraction form
    11,133.51/16,708.71 = 4,120.17/x
  3. Step 3: Cross multiply
    11,133.51x = 16,708.71 × 4,120.17
  4. Step 4: Simplify right side
    11,133.51x = 68,842,725.68
  5. Step 5: Solve for x
    x = 68,842,725.68/11,133.51
  6. Step 6: Final answer
    x = 6,183.38

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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.