Home / 11,071.16-16,608.40-3,278.96

Finding the Fourth Proportional to 11,071.16, 16,608.40 and 3,278.96

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Solution

The fourth proportional to 11,071.16, 16,608.40 and 3,278.96 is: 4,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.16 : 16,608.40 = 3,278.96 : x
  2. Step 2: Convert to fraction form
    11,071.16/16,608.40 = 3,278.96/x
  3. Step 3: Cross multiply
    11,071.16x = 16,608.40 × 3,278.96
  4. Step 4: Simplify right side
    11,071.16x = 54,458,279.26
  5. Step 5: Solve for x
    x = 54,458,279.26/11,071.16
  6. Step 6: Final answer
    x = 4,918.93

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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.