Home / 10,889.82-16,327.71-4,653.90

Finding the Fourth Proportional to 10,889.82, 16,327.71 and 4,653.90

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Solution

The fourth proportional to 10,889.82, 16,327.71 and 4,653.90 is: 6,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.82 : 16,327.71 = 4,653.90 : x
  2. Step 2: Convert to fraction form
    10,889.82/16,327.71 = 4,653.90/x
  3. Step 3: Cross multiply
    10,889.82x = 16,327.71 × 4,653.90
  4. Step 4: Simplify right side
    10,889.82x = 75,987,529.57
  5. Step 5: Solve for x
    x = 75,987,529.57/10,889.82
  6. Step 6: Final answer
    x = 6,977.85

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1.5x scale

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.