Home / 11,840.38-17,756.90-4,047.38

Finding the Fourth Proportional to 11,840.38, 17,756.90 and 4,047.38

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Solution

The fourth proportional to 11,840.38, 17,756.90 and 4,047.38 is: 6,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.38 : 17,756.90 = 4,047.38 : x
  2. Step 2: Convert to fraction form
    11,840.38/17,756.90 = 4,047.38/x
  3. Step 3: Cross multiply
    11,840.38x = 17,756.90 × 4,047.38
  4. Step 4: Simplify right side
    11,840.38x = 71,868,921.92
  5. Step 5: Solve for x
    x = 71,868,921.92/11,840.38
  6. Step 6: Final answer
    x = 6,069.82

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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.