Home / 10,873.71-16,299.09-4,290.84

Finding the Fourth Proportional to 10,873.71, 16,299.09 and 4,290.84

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Solution

The fourth proportional to 10,873.71, 16,299.09 and 4,290.84 is: 6,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.71 : 16,299.09 = 4,290.84 : x
  2. Step 2: Convert to fraction form
    10,873.71/16,299.09 = 4,290.84/x
  3. Step 3: Cross multiply
    10,873.71x = 16,299.09 × 4,290.84
  4. Step 4: Simplify right side
    10,873.71x = 69,936,787.34
  5. Step 5: Solve for x
    x = 69,936,787.34/10,873.71
  6. Step 6: Final answer
    x = 6,431.73

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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.