Home / 9,470.20-13,067.94-5,278

Finding the Fourth Proportional to 9,470.20, 13,067.94 and 5,278

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Solution

The fourth proportional to 9,470.20, 13,067.94 and 5,278 is: 7,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.20 : 13,067.94 = 5,278 : x
  2. Step 2: Convert to fraction form
    9,470.20/13,067.94 = 5,278/x
  3. Step 3: Cross multiply
    9,470.20x = 13,067.94 × 5,278
  4. Step 4: Simplify right side
    9,470.20x = 68,972,587.32
  5. Step 5: Solve for x
    x = 68,972,587.32/9,470.20
  6. Step 6: Final answer
    x = 7,283.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.