Home / 11,065.82-16,559.73-6,907.78

Finding the Fourth Proportional to 11,065.82, 16,559.73 and 6,907.78

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Solution

The fourth proportional to 11,065.82, 16,559.73 and 6,907.78 is: 10,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.82 : 16,559.73 = 6,907.78 : x
  2. Step 2: Convert to fraction form
    11,065.82/16,559.73 = 6,907.78/x
  3. Step 3: Cross multiply
    11,065.82x = 16,559.73 × 6,907.78
  4. Step 4: Simplify right side
    11,065.82x = 114,390,971.70
  5. Step 5: Solve for x
    x = 114,390,971.70/11,065.82
  6. Step 6: Final answer
    x = 10,337.32

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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.