Home / 10,333.75-15,500.64-3,408.25

Finding the Fourth Proportional to 10,333.75, 15,500.64 and 3,408.25

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Solution

The fourth proportional to 10,333.75, 15,500.64 and 3,408.25 is: 5,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.75 : 15,500.64 = 3,408.25 : x
  2. Step 2: Convert to fraction form
    10,333.75/15,500.64 = 3,408.25/x
  3. Step 3: Cross multiply
    10,333.75x = 15,500.64 × 3,408.25
  4. Step 4: Simplify right side
    10,333.75x = 52,830,039.24
  5. Step 5: Solve for x
    x = 52,830,039.24/10,333.75
  6. Step 6: Final answer
    x = 5,112.38

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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.