Home / 10,480.48-15,721.44-3,552.64

Finding the Fourth Proportional to 10,480.48, 15,721.44 and 3,552.64

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Solution

The fourth proportional to 10,480.48, 15,721.44 and 3,552.64 is: 5,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.48 : 15,721.44 = 3,552.64 : x
  2. Step 2: Convert to fraction form
    10,480.48/15,721.44 = 3,552.64/x
  3. Step 3: Cross multiply
    10,480.48x = 15,721.44 × 3,552.64
  4. Step 4: Simplify right side
    10,480.48x = 55,852,616.60
  5. Step 5: Solve for x
    x = 55,852,616.60/10,480.48
  6. Step 6: Final answer
    x = 5,329.20

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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.