Home / 11,224.99-15,489.39-6,508.75

Finding the Fourth Proportional to 11,224.99, 15,489.39 and 6,508.75

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Solution

The fourth proportional to 11,224.99, 15,489.39 and 6,508.75 is: 8,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.99 : 15,489.39 = 6,508.75 : x
  2. Step 2: Convert to fraction form
    11,224.99/15,489.39 = 6,508.75/x
  3. Step 3: Cross multiply
    11,224.99x = 15,489.39 × 6,508.75
  4. Step 4: Simplify right side
    11,224.99x = 100,816,567.16
  5. Step 5: Solve for x
    x = 100,816,567.16/11,224.99
  6. Step 6: Final answer
    x = 8,981.44

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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.