Home / 10,447.30-15,669.83-2,950.68

Finding the Fourth Proportional to 10,447.30, 15,669.83 and 2,950.68

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Solution

The fourth proportional to 10,447.30, 15,669.83 and 2,950.68 is: 4,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.30 : 15,669.83 = 2,950.68 : x
  2. Step 2: Convert to fraction form
    10,447.30/15,669.83 = 2,950.68/x
  3. Step 3: Cross multiply
    10,447.30x = 15,669.83 × 2,950.68
  4. Step 4: Simplify right side
    10,447.30x = 46,236,653.98
  5. Step 5: Solve for x
    x = 46,236,653.98/10,447.30
  6. Step 6: Final answer
    x = 4,425.70

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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.