Home / 10,619.80-15,907.82-6,226.66

Finding the Fourth Proportional to 10,619.80, 15,907.82 and 6,226.66

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Solution

The fourth proportional to 10,619.80, 15,907.82 and 6,226.66 is: 9,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.80 : 15,907.82 = 6,226.66 : x
  2. Step 2: Convert to fraction form
    10,619.80/15,907.82 = 6,226.66/x
  3. Step 3: Cross multiply
    10,619.80x = 15,907.82 × 6,226.66
  4. Step 4: Simplify right side
    10,619.80x = 99,052,621.93
  5. Step 5: Solve for x
    x = 99,052,621.93/10,619.80
  6. Step 6: Final answer
    x = 9,327.17

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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.