Home / 10,629.63-15,944.85-4,790.34

Finding the Fourth Proportional to 10,629.63, 15,944.85 and 4,790.34

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Solution

The fourth proportional to 10,629.63, 15,944.85 and 4,790.34 is: 7,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.63 : 15,944.85 = 4,790.34 : x
  2. Step 2: Convert to fraction form
    10,629.63/15,944.85 = 4,790.34/x
  3. Step 3: Cross multiply
    10,629.63x = 15,944.85 × 4,790.34
  4. Step 4: Simplify right side
    10,629.63x = 76,381,252.75
  5. Step 5: Solve for x
    x = 76,381,252.75/10,629.63
  6. Step 6: Final answer
    x = 7,185.69

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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.