Home / 10,629.22-15,945.32-4,705.65

Finding the Fourth Proportional to 10,629.22, 15,945.32 and 4,705.65

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Solution

The fourth proportional to 10,629.22, 15,945.32 and 4,705.65 is: 7,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.22 : 15,945.32 = 4,705.65 : x
  2. Step 2: Convert to fraction form
    10,629.22/15,945.32 = 4,705.65/x
  3. Step 3: Cross multiply
    10,629.22x = 15,945.32 × 4,705.65
  4. Step 4: Simplify right side
    10,629.22x = 75,032,991.80
  5. Step 5: Solve for x
    x = 75,032,991.80/10,629.22
  6. Step 6: Final answer
    x = 7,059.12

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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.