Home / 11,949.76-16,442.79-10,054.36

Finding the Fourth Proportional to 11,949.76, 16,442.79 and 10,054.36

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Solution

The fourth proportional to 11,949.76, 16,442.79 and 10,054.36 is: 13,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.76 : 16,442.79 = 10,054.36 : x
  2. Step 2: Convert to fraction form
    11,949.76/16,442.79 = 10,054.36/x
  3. Step 3: Cross multiply
    11,949.76x = 16,442.79 × 10,054.36
  4. Step 4: Simplify right side
    11,949.76x = 165,321,730.06
  5. Step 5: Solve for x
    x = 165,321,730.06/11,949.76
  6. Step 6: Final answer
    x = 13,834.73

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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.