Home / 11,519.10-15,896.37-6,483.60

Finding the Fourth Proportional to 11,519.10, 15,896.37 and 6,483.60

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Solution

The fourth proportional to 11,519.10, 15,896.37 and 6,483.60 is: 8,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.10 : 15,896.37 = 6,483.60 : x
  2. Step 2: Convert to fraction form
    11,519.10/15,896.37 = 6,483.60/x
  3. Step 3: Cross multiply
    11,519.10x = 15,896.37 × 6,483.60
  4. Step 4: Simplify right side
    11,519.10x = 103,065,704.53
  5. Step 5: Solve for x
    x = 103,065,704.53/11,519.10
  6. Step 6: Final answer
    x = 8,947.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.