Home / 10,869.53-16,311.15-4,629.54

Finding the Fourth Proportional to 10,869.53, 16,311.15 and 4,629.54

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Solution

The fourth proportional to 10,869.53, 16,311.15 and 4,629.54 is: 6,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.53 : 16,311.15 = 4,629.54 : x
  2. Step 2: Convert to fraction form
    10,869.53/16,311.15 = 4,629.54/x
  3. Step 3: Cross multiply
    10,869.53x = 16,311.15 × 4,629.54
  4. Step 4: Simplify right side
    10,869.53x = 75,513,121.37
  5. Step 5: Solve for x
    x = 75,513,121.37/10,869.53
  6. Step 6: Final answer
    x = 6,947.23

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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.