Home / 13,273.13-18,316.91-7,304.79

Finding the Fourth Proportional to 13,273.13, 18,316.91 and 7,304.79

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Solution

The fourth proportional to 13,273.13, 18,316.91 and 7,304.79 is: 10,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.13 : 18,316.91 = 7,304.79 : x
  2. Step 2: Convert to fraction form
    13,273.13/18,316.91 = 7,304.79/x
  3. Step 3: Cross multiply
    13,273.13x = 18,316.91 × 7,304.79
  4. Step 4: Simplify right side
    13,273.13x = 133,801,181.00
  5. Step 5: Solve for x
    x = 133,801,181.00/13,273.13
  6. Step 6: Final answer
    x = 10,080.61

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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.