Home / 10,629.81-15,945.53-3,234.90

Finding the Fourth Proportional to 10,629.81, 15,945.53 and 3,234.90

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Solution

The fourth proportional to 10,629.81, 15,945.53 and 3,234.90 is: 4,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.81 : 15,945.53 = 3,234.90 : x
  2. Step 2: Convert to fraction form
    10,629.81/15,945.53 = 3,234.90/x
  3. Step 3: Cross multiply
    10,629.81x = 15,945.53 × 3,234.90
  4. Step 4: Simplify right side
    10,629.81x = 51,582,178.82
  5. Step 5: Solve for x
    x = 51,582,178.82/10,629.81
  6. Step 6: Final answer
    x = 4,852.60

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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.