Home / 8,926.43-12,318.44-4,947.54

Finding the Fourth Proportional to 8,926.43, 12,318.44 and 4,947.54

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Solution

The fourth proportional to 8,926.43, 12,318.44 and 4,947.54 is: 6,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.43 : 12,318.44 = 4,947.54 : x
  2. Step 2: Convert to fraction form
    8,926.43/12,318.44 = 4,947.54/x
  3. Step 3: Cross multiply
    8,926.43x = 12,318.44 × 4,947.54
  4. Step 4: Simplify right side
    8,926.43x = 60,945,949.90
  5. Step 5: Solve for x
    x = 60,945,949.90/8,926.43
  6. Step 6: Final answer
    x = 6,827.59

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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.