Home / 10,208.44-15,300.36-5,275.42

Finding the Fourth Proportional to 10,208.44, 15,300.36 and 5,275.42

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Solution

The fourth proportional to 10,208.44, 15,300.36 and 5,275.42 is: 7,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.44 : 15,300.36 = 5,275.42 : x
  2. Step 2: Convert to fraction form
    10,208.44/15,300.36 = 5,275.42/x
  3. Step 3: Cross multiply
    10,208.44x = 15,300.36 × 5,275.42
  4. Step 4: Simplify right side
    10,208.44x = 80,715,825.15
  5. Step 5: Solve for x
    x = 80,715,825.15/10,208.44
  6. Step 6: Final answer
    x = 7,906.77

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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.