Home / 10,418.58-15,630.42-3,022.88

Finding the Fourth Proportional to 10,418.58, 15,630.42 and 3,022.88

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Solution

The fourth proportional to 10,418.58, 15,630.42 and 3,022.88 is: 4,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.58 : 15,630.42 = 3,022.88 : x
  2. Step 2: Convert to fraction form
    10,418.58/15,630.42 = 3,022.88/x
  3. Step 3: Cross multiply
    10,418.58x = 15,630.42 × 3,022.88
  4. Step 4: Simplify right side
    10,418.58x = 47,248,884.01
  5. Step 5: Solve for x
    x = 47,248,884.01/10,418.58
  6. Step 6: Final answer
    x = 4,535.06

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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.