Home / 10,450.24-15,671.40-3,428.56

Finding the Fourth Proportional to 10,450.24, 15,671.40 and 3,428.56

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Solution

The fourth proportional to 10,450.24, 15,671.40 and 3,428.56 is: 5,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.24 : 15,671.40 = 3,428.56 : x
  2. Step 2: Convert to fraction form
    10,450.24/15,671.40 = 3,428.56/x
  3. Step 3: Cross multiply
    10,450.24x = 15,671.40 × 3,428.56
  4. Step 4: Simplify right side
    10,450.24x = 53,730,335.18
  5. Step 5: Solve for x
    x = 53,730,335.18/10,450.24
  6. Step 6: Final answer
    x = 5,141.54

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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.