Home / 10,546.76-15,819.74-2,649.32

Finding the Fourth Proportional to 10,546.76, 15,819.74 and 2,649.32

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Solution

The fourth proportional to 10,546.76, 15,819.74 and 2,649.32 is: 3,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.76 : 15,819.74 = 2,649.32 : x
  2. Step 2: Convert to fraction form
    10,546.76/15,819.74 = 2,649.32/x
  3. Step 3: Cross multiply
    10,546.76x = 15,819.74 × 2,649.32
  4. Step 4: Simplify right side
    10,546.76x = 41,911,553.58
  5. Step 5: Solve for x
    x = 41,911,553.58/10,546.76
  6. Step 6: Final answer
    x = 3,973.88

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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.