Home / 10,133.79-15,202.21-3,558.82

Finding the Fourth Proportional to 10,133.79, 15,202.21 and 3,558.82

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Solution

The fourth proportional to 10,133.79, 15,202.21 and 3,558.82 is: 5,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.79 : 15,202.21 = 3,558.82 : x
  2. Step 2: Convert to fraction form
    10,133.79/15,202.21 = 3,558.82/x
  3. Step 3: Cross multiply
    10,133.79x = 15,202.21 × 3,558.82
  4. Step 4: Simplify right side
    10,133.79x = 54,101,928.99
  5. Step 5: Solve for x
    x = 54,101,928.99/10,133.79
  6. Step 6: Final answer
    x = 5,338.77

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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.