Home / 10,616.82-15,911.55-4,369.32

Finding the Fourth Proportional to 10,616.82, 15,911.55 and 4,369.32

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Solution

The fourth proportional to 10,616.82, 15,911.55 and 4,369.32 is: 6,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.82 : 15,911.55 = 4,369.32 : x
  2. Step 2: Convert to fraction form
    10,616.82/15,911.55 = 4,369.32/x
  3. Step 3: Cross multiply
    10,616.82x = 15,911.55 × 4,369.32
  4. Step 4: Simplify right side
    10,616.82x = 69,522,653.65
  5. Step 5: Solve for x
    x = 69,522,653.65/10,616.82
  6. Step 6: Final answer
    x = 6,548.35

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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.