Home / 7,209.33-10,817.61-3,316.47

Finding the Fourth Proportional to 7,209.33, 10,817.61 and 3,316.47

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Solution

The fourth proportional to 7,209.33, 10,817.61 and 3,316.47 is: 4,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.33 : 10,817.61 = 3,316.47 : x
  2. Step 2: Convert to fraction form
    7,209.33/10,817.61 = 3,316.47/x
  3. Step 3: Cross multiply
    7,209.33x = 10,817.61 × 3,316.47
  4. Step 4: Simplify right side
    7,209.33x = 35,876,279.04
  5. Step 5: Solve for x
    x = 35,876,279.04/7,209.33
  6. Step 6: Final answer
    x = 4,976.37

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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.