Home / 11,933.52-16,455.24-7,455.72

Finding the Fourth Proportional to 11,933.52, 16,455.24 and 7,455.72

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Solution

The fourth proportional to 11,933.52, 16,455.24 and 7,455.72 is: 10,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.52 : 16,455.24 = 7,455.72 : x
  2. Step 2: Convert to fraction form
    11,933.52/16,455.24 = 7,455.72/x
  3. Step 3: Cross multiply
    11,933.52x = 16,455.24 × 7,455.72
  4. Step 4: Simplify right side
    11,933.52x = 122,685,661.97
  5. Step 5: Solve for x
    x = 122,685,661.97/11,933.52
  6. Step 6: Final answer
    x = 10,280.76

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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.