Home / 9,351.96-12,905.70-5,994.78

Finding the Fourth Proportional to 9,351.96, 12,905.70 and 5,994.78

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Solution

The fourth proportional to 9,351.96, 12,905.70 and 5,994.78 is: 8,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.96 : 12,905.70 = 5,994.78 : x
  2. Step 2: Convert to fraction form
    9,351.96/12,905.70 = 5,994.78/x
  3. Step 3: Cross multiply
    9,351.96x = 12,905.70 × 5,994.78
  4. Step 4: Simplify right side
    9,351.96x = 77,366,806.33
  5. Step 5: Solve for x
    x = 77,366,806.33/9,351.96
  6. Step 6: Final answer
    x = 8,272.79

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1.5x scale

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.