Home / 11,482.46-17,221.71-3,160.62

Finding the Fourth Proportional to 11,482.46, 17,221.71 and 3,160.62

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Solution

The fourth proportional to 11,482.46, 17,221.71 and 3,160.62 is: 4,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.46 : 17,221.71 = 3,160.62 : x
  2. Step 2: Convert to fraction form
    11,482.46/17,221.71 = 3,160.62/x
  3. Step 3: Cross multiply
    11,482.46x = 17,221.71 × 3,160.62
  4. Step 4: Simplify right side
    11,482.46x = 54,431,281.06
  5. Step 5: Solve for x
    x = 54,431,281.06/11,482.46
  6. Step 6: Final answer
    x = 4,740.39

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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.