Home / 11,803.19-17,704.79-4,877.87

Finding the Fourth Proportional to 11,803.19, 17,704.79 and 4,877.87

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Solution

The fourth proportional to 11,803.19, 17,704.79 and 4,877.87 is: 7,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.19 : 17,704.79 = 4,877.87 : x
  2. Step 2: Convert to fraction form
    11,803.19/17,704.79 = 4,877.87/x
  3. Step 3: Cross multiply
    11,803.19x = 17,704.79 × 4,877.87
  4. Step 4: Simplify right side
    11,803.19x = 86,361,631.93
  5. Step 5: Solve for x
    x = 86,361,631.93/11,803.19
  6. Step 6: Final answer
    x = 7,316.81

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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.