Home / 10,627.30-15,937.55-3,509.96

Finding the Fourth Proportional to 10,627.30, 15,937.55 and 3,509.96

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Solution

The fourth proportional to 10,627.30, 15,937.55 and 3,509.96 is: 5,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.30 : 15,937.55 = 3,509.96 : x
  2. Step 2: Convert to fraction form
    10,627.30/15,937.55 = 3,509.96/x
  3. Step 3: Cross multiply
    10,627.30x = 15,937.55 × 3,509.96
  4. Step 4: Simplify right side
    10,627.30x = 55,940,078.92
  5. Step 5: Solve for x
    x = 55,940,078.92/10,627.30
  6. Step 6: Final answer
    x = 5,263.81

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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.