Home / 11,345.08-15,651.84-8,367.97

Finding the Fourth Proportional to 11,345.08, 15,651.84 and 8,367.97

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Solution

The fourth proportional to 11,345.08, 15,651.84 and 8,367.97 is: 11,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.08 : 15,651.84 = 8,367.97 : x
  2. Step 2: Convert to fraction form
    11,345.08/15,651.84 = 8,367.97/x
  3. Step 3: Cross multiply
    11,345.08x = 15,651.84 × 8,367.97
  4. Step 4: Simplify right side
    11,345.08x = 130,974,127.56
  5. Step 5: Solve for x
    x = 130,974,127.56/11,345.08
  6. Step 6: Final answer
    x = 11,544.58

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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.