Home / 11,424.78-17,132.91-4,851.48

Finding the Fourth Proportional to 11,424.78, 17,132.91 and 4,851.48

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Solution

The fourth proportional to 11,424.78, 17,132.91 and 4,851.48 is: 7,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.78 : 17,132.91 = 4,851.48 : x
  2. Step 2: Convert to fraction form
    11,424.78/17,132.91 = 4,851.48/x
  3. Step 3: Cross multiply
    11,424.78x = 17,132.91 × 4,851.48
  4. Step 4: Simplify right side
    11,424.78x = 83,119,970.21
  5. Step 5: Solve for x
    x = 83,119,970.21/11,424.78
  6. Step 6: Final answer
    x = 7,275.41

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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.