Home / 13,270.01-18,313.25-7,301.79

Finding the Fourth Proportional to 13,270.01, 18,313.25 and 7,301.79

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Solution

The fourth proportional to 13,270.01, 18,313.25 and 7,301.79 is: 10,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.01 : 18,313.25 = 7,301.79 : x
  2. Step 2: Convert to fraction form
    13,270.01/18,313.25 = 7,301.79/x
  3. Step 3: Cross multiply
    13,270.01x = 18,313.25 × 7,301.79
  4. Step 4: Simplify right side
    13,270.01x = 133,719,469.21
  5. Step 5: Solve for x
    x = 133,719,469.21/13,270.01
  6. Step 6: Final answer
    x = 10,076.82

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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.