Home / 10,299.99-15,450.60-2,905.08

Finding the Fourth Proportional to 10,299.99, 15,450.60 and 2,905.08

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Solution

The fourth proportional to 10,299.99, 15,450.60 and 2,905.08 is: 4,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.99 : 15,450.60 = 2,905.08 : x
  2. Step 2: Convert to fraction form
    10,299.99/15,450.60 = 2,905.08/x
  3. Step 3: Cross multiply
    10,299.99x = 15,450.60 × 2,905.08
  4. Step 4: Simplify right side
    10,299.99x = 44,885,229.05
  5. Step 5: Solve for x
    x = 44,885,229.05/10,299.99
  6. Step 6: Final answer
    x = 4,357.79

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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.