Home / 11,519.91-15,896.66-6,483.17

Finding the Fourth Proportional to 11,519.91, 15,896.66 and 6,483.17

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Solution

The fourth proportional to 11,519.91, 15,896.66 and 6,483.17 is: 8,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.91 : 15,896.66 = 6,483.17 : x
  2. Step 2: Convert to fraction form
    11,519.91/15,896.66 = 6,483.17/x
  3. Step 3: Cross multiply
    11,519.91x = 15,896.66 × 6,483.17
  4. Step 4: Simplify right side
    11,519.91x = 103,060,756.54
  5. Step 5: Solve for x
    x = 103,060,756.54/11,519.91
  6. Step 6: Final answer
    x = 8,946.32

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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.