Home / 11,200.82-15,451.95-6,716.79

Finding the Fourth Proportional to 11,200.82, 15,451.95 and 6,716.79

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Solution

The fourth proportional to 11,200.82, 15,451.95 and 6,716.79 is: 9,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.82 : 15,451.95 = 6,716.79 : x
  2. Step 2: Convert to fraction form
    11,200.82/15,451.95 = 6,716.79/x
  3. Step 3: Cross multiply
    11,200.82x = 15,451.95 × 6,716.79
  4. Step 4: Simplify right side
    11,200.82x = 103,787,503.24
  5. Step 5: Solve for x
    x = 103,787,503.24/11,200.82
  6. Step 6: Final answer
    x = 9,266.07

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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.