Home / 10,335.92-15,505.80-4,785.60

Finding the Fourth Proportional to 10,335.92, 15,505.80 and 4,785.60

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Solution

The fourth proportional to 10,335.92, 15,505.80 and 4,785.60 is: 7,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.92 : 15,505.80 = 4,785.60 : x
  2. Step 2: Convert to fraction form
    10,335.92/15,505.80 = 4,785.60/x
  3. Step 3: Cross multiply
    10,335.92x = 15,505.80 × 4,785.60
  4. Step 4: Simplify right side
    10,335.92x = 74,204,556.48
  5. Step 5: Solve for x
    x = 74,204,556.48/10,335.92
  6. Step 6: Final answer
    x = 7,179.29

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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.