Home / 10,078.62-15,118.08-3,504.96

Finding the Fourth Proportional to 10,078.62, 15,118.08 and 3,504.96

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Solution

The fourth proportional to 10,078.62, 15,118.08 and 3,504.96 is: 5,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.62 : 15,118.08 = 3,504.96 : x
  2. Step 2: Convert to fraction form
    10,078.62/15,118.08 = 3,504.96/x
  3. Step 3: Cross multiply
    10,078.62x = 15,118.08 × 3,504.96
  4. Step 4: Simplify right side
    10,078.62x = 52,988,265.68
  5. Step 5: Solve for x
    x = 52,988,265.68/10,078.62
  6. Step 6: Final answer
    x = 5,257.49

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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.