Home / 13,247.52-18,273.97-8,270.88

Finding the Fourth Proportional to 13,247.52, 18,273.97 and 8,270.88

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Solution

The fourth proportional to 13,247.52, 18,273.97 and 8,270.88 is: 11,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.52 : 18,273.97 = 8,270.88 : x
  2. Step 2: Convert to fraction form
    13,247.52/18,273.97 = 8,270.88/x
  3. Step 3: Cross multiply
    13,247.52x = 18,273.97 × 8,270.88
  4. Step 4: Simplify right side
    13,247.52x = 151,141,812.99
  5. Step 5: Solve for x
    x = 151,141,812.99/13,247.52
  6. Step 6: Final answer
    x = 11,409.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.