Home / 10,619.93-15,912.17-7,494.77

Finding the Fourth Proportional to 10,619.93, 15,912.17 and 7,494.77

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Solution

The fourth proportional to 10,619.93, 15,912.17 and 7,494.77 is: 11,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.93 : 15,912.17 = 7,494.77 : x
  2. Step 2: Convert to fraction form
    10,619.93/15,912.17 = 7,494.77/x
  3. Step 3: Cross multiply
    10,619.93x = 15,912.17 × 7,494.77
  4. Step 4: Simplify right side
    10,619.93x = 119,258,016.88
  5. Step 5: Solve for x
    x = 119,258,016.88/10,619.93
  6. Step 6: Final answer
    x = 11,229.64

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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.