Home / 13,272.62-18,316.22-7,304.29

Finding the Fourth Proportional to 13,272.62, 18,316.22 and 7,304.29

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Solution

The fourth proportional to 13,272.62, 18,316.22 and 7,304.29 is: 10,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.62 : 18,316.22 = 7,304.29 : x
  2. Step 2: Convert to fraction form
    13,272.62/18,316.22 = 7,304.29/x
  3. Step 3: Cross multiply
    13,272.62x = 18,316.22 × 7,304.29
  4. Step 4: Simplify right side
    13,272.62x = 133,786,982.58
  5. Step 5: Solve for x
    x = 133,786,982.58/13,272.62
  6. Step 6: Final answer
    x = 10,079.92

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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.