Home / 7,335.45-10,122.83-4,105.23

Finding the Fourth Proportional to 7,335.45, 10,122.83 and 4,105.23

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Solution

The fourth proportional to 7,335.45, 10,122.83 and 4,105.23 is: 5,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.45 : 10,122.83 = 4,105.23 : x
  2. Step 2: Convert to fraction form
    7,335.45/10,122.83 = 4,105.23/x
  3. Step 3: Cross multiply
    7,335.45x = 10,122.83 × 4,105.23
  4. Step 4: Simplify right side
    7,335.45x = 41,556,505.05
  5. Step 5: Solve for x
    x = 41,556,505.05/7,335.45
  6. Step 6: Final answer
    x = 5,665.16

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Double scale
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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.