Home / 11,945.79-17,927.96-8,273.75

Finding the Fourth Proportional to 11,945.79, 17,927.96 and 8,273.75

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Solution

The fourth proportional to 11,945.79, 17,927.96 and 8,273.75 is: 12,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.79 : 17,927.96 = 8,273.75 : x
  2. Step 2: Convert to fraction form
    11,945.79/17,927.96 = 8,273.75/x
  3. Step 3: Cross multiply
    11,945.79x = 17,927.96 × 8,273.75
  4. Step 4: Simplify right side
    11,945.79x = 148,331,328.04
  5. Step 5: Solve for x
    x = 148,331,328.04/11,945.79
  6. Step 6: Final answer
    x = 12,417.04

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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.