Home / 10,625.63-15,935.94-4,379.45

Finding the Fourth Proportional to 10,625.63, 15,935.94 and 4,379.45

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Solution

The fourth proportional to 10,625.63, 15,935.94 and 4,379.45 is: 6,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.63 : 15,935.94 = 4,379.45 : x
  2. Step 2: Convert to fraction form
    10,625.63/15,935.94 = 4,379.45/x
  3. Step 3: Cross multiply
    10,625.63x = 15,935.94 × 4,379.45
  4. Step 4: Simplify right side
    10,625.63x = 69,790,572.75
  5. Step 5: Solve for x
    x = 69,790,572.75/10,625.63
  6. Step 6: Final answer
    x = 6,568.14

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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.