Home / 10,962.38-16,436.36-3,938.88

Finding the Fourth Proportional to 10,962.38, 16,436.36 and 3,938.88

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Solution

The fourth proportional to 10,962.38, 16,436.36 and 3,938.88 is: 5,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.38 : 16,436.36 = 3,938.88 : x
  2. Step 2: Convert to fraction form
    10,962.38/16,436.36 = 3,938.88/x
  3. Step 3: Cross multiply
    10,962.38x = 16,436.36 × 3,938.88
  4. Step 4: Simplify right side
    10,962.38x = 64,740,849.68
  5. Step 5: Solve for x
    x = 64,740,849.68/10,962.38
  6. Step 6: Final answer
    x = 5,905.73

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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.