Home / 11,450.08-15,791.52-7,468.12

Finding the Fourth Proportional to 11,450.08, 15,791.52 and 7,468.12

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Solution

The fourth proportional to 11,450.08, 15,791.52 and 7,468.12 is: 10,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.08 : 15,791.52 = 7,468.12 : x
  2. Step 2: Convert to fraction form
    11,450.08/15,791.52 = 7,468.12/x
  3. Step 3: Cross multiply
    11,450.08x = 15,791.52 × 7,468.12
  4. Step 4: Simplify right side
    11,450.08x = 117,932,966.34
  5. Step 5: Solve for x
    x = 117,932,966.34/11,450.08
  6. Step 6: Final answer
    x = 10,299.75

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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.