Home / 11,460.76-17,192.66-5,220.52

Finding the Fourth Proportional to 11,460.76, 17,192.66 and 5,220.52

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Solution

The fourth proportional to 11,460.76, 17,192.66 and 5,220.52 is: 7,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.76 : 17,192.66 = 5,220.52 : x
  2. Step 2: Convert to fraction form
    11,460.76/17,192.66 = 5,220.52/x
  3. Step 3: Cross multiply
    11,460.76x = 17,192.66 × 5,220.52
  4. Step 4: Simplify right side
    11,460.76x = 89,754,556.30
  5. Step 5: Solve for x
    x = 89,754,556.30/11,460.76
  6. Step 6: Final answer
    x = 7,831.47

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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.