Home / 10,436.75-15,656.09-3,774.91

Finding the Fourth Proportional to 10,436.75, 15,656.09 and 3,774.91

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Solution

The fourth proportional to 10,436.75, 15,656.09 and 3,774.91 is: 5,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.75 : 15,656.09 = 3,774.91 : x
  2. Step 2: Convert to fraction form
    10,436.75/15,656.09 = 3,774.91/x
  3. Step 3: Cross multiply
    10,436.75x = 15,656.09 × 3,774.91
  4. Step 4: Simplify right side
    10,436.75x = 59,100,330.70
  5. Step 5: Solve for x
    x = 59,100,330.70/10,436.75
  6. Step 6: Final answer
    x = 5,662.71

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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.