Home / 9,786.60-14,684.94-4,856.13

Finding the Fourth Proportional to 9,786.60, 14,684.94 and 4,856.13

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Solution

The fourth proportional to 9,786.60, 14,684.94 and 4,856.13 is: 7,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.60 : 14,684.94 = 4,856.13 : x
  2. Step 2: Convert to fraction form
    9,786.60/14,684.94 = 4,856.13/x
  3. Step 3: Cross multiply
    9,786.60x = 14,684.94 × 4,856.13
  4. Step 4: Simplify right side
    9,786.60x = 71,311,977.68
  5. Step 5: Solve for x
    x = 71,311,977.68/9,786.60
  6. Step 6: Final answer
    x = 7,286.70

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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.