Home / 11,519.82-15,896.12-6,483.96

Finding the Fourth Proportional to 11,519.82, 15,896.12 and 6,483.96

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Solution

The fourth proportional to 11,519.82, 15,896.12 and 6,483.96 is: 8,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.82 : 15,896.12 = 6,483.96 : x
  2. Step 2: Convert to fraction form
    11,519.82/15,896.12 = 6,483.96/x
  3. Step 3: Cross multiply
    11,519.82x = 15,896.12 × 6,483.96
  4. Step 4: Simplify right side
    11,519.82x = 103,069,806.24
  5. Step 5: Solve for x
    x = 103,069,806.24/11,519.82
  6. Step 6: Final answer
    x = 8,947.17

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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.