Home / 10,480.88-15,714.36-4,151.56

Finding the Fourth Proportional to 10,480.88, 15,714.36 and 4,151.56

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Solution

The fourth proportional to 10,480.88, 15,714.36 and 4,151.56 is: 6,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.88 : 15,714.36 = 4,151.56 : x
  2. Step 2: Convert to fraction form
    10,480.88/15,714.36 = 4,151.56/x
  3. Step 3: Cross multiply
    10,480.88x = 15,714.36 × 4,151.56
  4. Step 4: Simplify right side
    10,480.88x = 65,239,108.40
  5. Step 5: Solve for x
    x = 65,239,108.40/10,480.88
  6. Step 6: Final answer
    x = 6,224.58

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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.