Home / 10,464.03-15,694.16-4,223.79

Finding the Fourth Proportional to 10,464.03, 15,694.16 and 4,223.79

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Solution

The fourth proportional to 10,464.03, 15,694.16 and 4,223.79 is: 6,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.03 : 15,694.16 = 4,223.79 : x
  2. Step 2: Convert to fraction form
    10,464.03/15,694.16 = 4,223.79/x
  3. Step 3: Cross multiply
    10,464.03x = 15,694.16 × 4,223.79
  4. Step 4: Simplify right side
    10,464.03x = 66,288,814.95
  5. Step 5: Solve for x
    x = 66,288,814.95/10,464.03
  6. Step 6: Final answer
    x = 6,334.92

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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.