Home / 10,125.35-15,188.48-3,104.85

Finding the Fourth Proportional to 10,125.35, 15,188.48 and 3,104.85

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Solution

The fourth proportional to 10,125.35, 15,188.48 and 3,104.85 is: 4,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.35 : 15,188.48 = 3,104.85 : x
  2. Step 2: Convert to fraction form
    10,125.35/15,188.48 = 3,104.85/x
  3. Step 3: Cross multiply
    10,125.35x = 15,188.48 × 3,104.85
  4. Step 4: Simplify right side
    10,125.35x = 47,157,936.60
  5. Step 5: Solve for x
    x = 47,157,936.60/10,125.35
  6. Step 6: Final answer
    x = 4,657.42

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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.