Home / 10,721.77-16,076.88-3,324.24

Finding the Fourth Proportional to 10,721.77, 16,076.88 and 3,324.24

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Solution

The fourth proportional to 10,721.77, 16,076.88 and 3,324.24 is: 4,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.77 : 16,076.88 = 3,324.24 : x
  2. Step 2: Convert to fraction form
    10,721.77/16,076.88 = 3,324.24/x
  3. Step 3: Cross multiply
    10,721.77x = 16,076.88 × 3,324.24
  4. Step 4: Simplify right side
    10,721.77x = 53,443,407.57
  5. Step 5: Solve for x
    x = 53,443,407.57/10,721.77
  6. Step 6: Final answer
    x = 4,984.57

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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.