Home / 12,330.99-18,503.37-4,936.01

Finding the Fourth Proportional to 12,330.99, 18,503.37 and 4,936.01

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Solution

The fourth proportional to 12,330.99, 18,503.37 and 4,936.01 is: 7,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.99 : 18,503.37 = 4,936.01 : x
  2. Step 2: Convert to fraction form
    12,330.99/18,503.37 = 4,936.01/x
  3. Step 3: Cross multiply
    12,330.99x = 18,503.37 × 4,936.01
  4. Step 4: Simplify right side
    12,330.99x = 91,332,726.84
  5. Step 5: Solve for x
    x = 91,332,726.84/12,330.99
  6. Step 6: Final answer
    x = 7,406.76

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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.