Home / 10,503.54-15,755.26-3,108.04

Finding the Fourth Proportional to 10,503.54, 15,755.26 and 3,108.04

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Solution

The fourth proportional to 10,503.54, 15,755.26 and 3,108.04 is: 4,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.54 : 15,755.26 = 3,108.04 : x
  2. Step 2: Convert to fraction form
    10,503.54/15,755.26 = 3,108.04/x
  3. Step 3: Cross multiply
    10,503.54x = 15,755.26 × 3,108.04
  4. Step 4: Simplify right side
    10,503.54x = 48,967,962.75
  5. Step 5: Solve for x
    x = 48,967,962.75/10,503.54
  6. Step 6: Final answer
    x = 4,662.05

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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.