Home / 11,913.30-17,877.24-4,896.68

Finding the Fourth Proportional to 11,913.30, 17,877.24 and 4,896.68

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Solution

The fourth proportional to 11,913.30, 17,877.24 and 4,896.68 is: 7,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.30 : 17,877.24 = 4,896.68 : x
  2. Step 2: Convert to fraction form
    11,913.30/17,877.24 = 4,896.68/x
  3. Step 3: Cross multiply
    11,913.30x = 17,877.24 × 4,896.68
  4. Step 4: Simplify right side
    11,913.30x = 87,539,034.18
  5. Step 5: Solve for x
    x = 87,539,034.18/11,913.30
  6. Step 6: Final answer
    x = 7,348.01

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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.