Home / 11,584.06-15,985.81-6,278.83

Finding the Fourth Proportional to 11,584.06, 15,985.81 and 6,278.83

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Solution

The fourth proportional to 11,584.06, 15,985.81 and 6,278.83 is: 8,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.06 : 15,985.81 = 6,278.83 : x
  2. Step 2: Convert to fraction form
    11,584.06/15,985.81 = 6,278.83/x
  3. Step 3: Cross multiply
    11,584.06x = 15,985.81 × 6,278.83
  4. Step 4: Simplify right side
    11,584.06x = 100,372,183.40
  5. Step 5: Solve for x
    x = 100,372,183.40/11,584.06
  6. Step 6: Final answer
    x = 8,664.68

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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.