Home / 11,381.38-17,068.73-3,984.46

Finding the Fourth Proportional to 11,381.38, 17,068.73 and 3,984.46

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Solution

The fourth proportional to 11,381.38, 17,068.73 and 3,984.46 is: 5,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.38 : 17,068.73 = 3,984.46 : x
  2. Step 2: Convert to fraction form
    11,381.38/17,068.73 = 3,984.46/x
  3. Step 3: Cross multiply
    11,381.38x = 17,068.73 × 3,984.46
  4. Step 4: Simplify right side
    11,381.38x = 68,009,671.94
  5. Step 5: Solve for x
    x = 68,009,671.94/11,381.38
  6. Step 6: Final answer
    x = 5,975.52

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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.