Home / 10,475.06-15,709.25-3,453.76

Finding the Fourth Proportional to 10,475.06, 15,709.25 and 3,453.76

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Solution

The fourth proportional to 10,475.06, 15,709.25 and 3,453.76 is: 5,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.06 : 15,709.25 = 3,453.76 : x
  2. Step 2: Convert to fraction form
    10,475.06/15,709.25 = 3,453.76/x
  3. Step 3: Cross multiply
    10,475.06x = 15,709.25 × 3,453.76
  4. Step 4: Simplify right side
    10,475.06x = 54,255,922.74
  5. Step 5: Solve for x
    x = 54,255,922.74/10,475.06
  6. Step 6: Final answer
    x = 5,179.54

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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.