Home / 11,890.08-17,835.24-5,316.60

Finding the Fourth Proportional to 11,890.08, 17,835.24 and 5,316.60

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Solution

The fourth proportional to 11,890.08, 17,835.24 and 5,316.60 is: 7,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.08 : 17,835.24 = 5,316.60 : x
  2. Step 2: Convert to fraction form
    11,890.08/17,835.24 = 5,316.60/x
  3. Step 3: Cross multiply
    11,890.08x = 17,835.24 × 5,316.60
  4. Step 4: Simplify right side
    11,890.08x = 94,822,836.98
  5. Step 5: Solve for x
    x = 94,822,836.98/11,890.08
  6. Step 6: Final answer
    x = 7,974.95

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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.