Home / 11,631.51-16,067.93-9,012.69

Finding the Fourth Proportional to 11,631.51, 16,067.93 and 9,012.69

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Solution

The fourth proportional to 11,631.51, 16,067.93 and 9,012.69 is: 12,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.51 : 16,067.93 = 9,012.69 : x
  2. Step 2: Convert to fraction form
    11,631.51/16,067.93 = 9,012.69/x
  3. Step 3: Cross multiply
    11,631.51x = 16,067.93 × 9,012.69
  4. Step 4: Simplify right side
    11,631.51x = 144,815,226.97
  5. Step 5: Solve for x
    x = 144,815,226.97/11,631.51
  6. Step 6: Final answer
    x = 12,450.25

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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.