Home / 10,438.56-15,644.88-4,884.66

Finding the Fourth Proportional to 10,438.56, 15,644.88 and 4,884.66

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Solution

The fourth proportional to 10,438.56, 15,644.88 and 4,884.66 is: 7,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.56 : 15,644.88 = 4,884.66 : x
  2. Step 2: Convert to fraction form
    10,438.56/15,644.88 = 4,884.66/x
  3. Step 3: Cross multiply
    10,438.56x = 15,644.88 × 4,884.66
  4. Step 4: Simplify right side
    10,438.56x = 76,419,919.54
  5. Step 5: Solve for x
    x = 76,419,919.54/10,438.56
  6. Step 6: Final answer
    x = 7,320.93

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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.