Home / 10,910.87-15,056.60-6,669.03

Finding the Fourth Proportional to 10,910.87, 15,056.60 and 6,669.03

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Solution

The fourth proportional to 10,910.87, 15,056.60 and 6,669.03 is: 9,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.87 : 15,056.60 = 6,669.03 : x
  2. Step 2: Convert to fraction form
    10,910.87/15,056.60 = 6,669.03/x
  3. Step 3: Cross multiply
    10,910.87x = 15,056.60 × 6,669.03
  4. Step 4: Simplify right side
    10,910.87x = 100,412,977.73
  5. Step 5: Solve for x
    x = 100,412,977.73/10,910.87
  6. Step 6: Final answer
    x = 9,203.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.