Home / 10,481.71-15,717.54-4,930.37

Finding the Fourth Proportional to 10,481.71, 15,717.54 and 4,930.37

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Solution

The fourth proportional to 10,481.71, 15,717.54 and 4,930.37 is: 7,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.71 : 15,717.54 = 4,930.37 : x
  2. Step 2: Convert to fraction form
    10,481.71/15,717.54 = 4,930.37/x
  3. Step 3: Cross multiply
    10,481.71x = 15,717.54 × 4,930.37
  4. Step 4: Simplify right side
    10,481.71x = 77,493,287.69
  5. Step 5: Solve for x
    x = 77,493,287.69/10,481.71
  6. Step 6: Final answer
    x = 7,393.19

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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.