Home / 11,245.77-15,511.91-7,046.73

Finding the Fourth Proportional to 11,245.77, 15,511.91 and 7,046.73

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Solution

The fourth proportional to 11,245.77, 15,511.91 and 7,046.73 is: 9,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.77 : 15,511.91 = 7,046.73 : x
  2. Step 2: Convert to fraction form
    11,245.77/15,511.91 = 7,046.73/x
  3. Step 3: Cross multiply
    11,245.77x = 15,511.91 × 7,046.73
  4. Step 4: Simplify right side
    11,245.77x = 109,308,206.32
  5. Step 5: Solve for x
    x = 109,308,206.32/11,245.77
  6. Step 6: Final answer
    x = 9,719.94

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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.