Home / 11,715.73-17,573.60-4,790.23

Finding the Fourth Proportional to 11,715.73, 17,573.60 and 4,790.23

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Solution

The fourth proportional to 11,715.73, 17,573.60 and 4,790.23 is: 7,185.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.73 : 17,573.60 = 4,790.23 : x
  2. Step 2: Convert to fraction form
    11,715.73/17,573.60 = 4,790.23/x
  3. Step 3: Cross multiply
    11,715.73x = 17,573.60 × 4,790.23
  4. Step 4: Simplify right side
    11,715.73x = 84,181,474.11
  5. Step 5: Solve for x
    x = 84,181,474.11/11,715.73
  6. Step 6: Final answer
    x = 7,185.34

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1.5x scale

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.