Home / 10,367.76-15,540.91-4,816.57

Finding the Fourth Proportional to 10,367.76, 15,540.91 and 4,816.57

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Solution

The fourth proportional to 10,367.76, 15,540.91 and 4,816.57 is: 7,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.76 : 15,540.91 = 4,816.57 : x
  2. Step 2: Convert to fraction form
    10,367.76/15,540.91 = 4,816.57/x
  3. Step 3: Cross multiply
    10,367.76x = 15,540.91 × 4,816.57
  4. Step 4: Simplify right side
    10,367.76x = 74,853,880.88
  5. Step 5: Solve for x
    x = 74,853,880.88/10,367.76
  6. Step 6: Final answer
    x = 7,219.87

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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.