Home / 11,093.36-16,542.64-9,421.52

Finding the Fourth Proportional to 11,093.36, 16,542.64 and 9,421.52

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Solution

The fourth proportional to 11,093.36, 16,542.64 and 9,421.52 is: 14,049.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.36 : 16,542.64 = 9,421.52 : x
  2. Step 2: Convert to fraction form
    11,093.36/16,542.64 = 9,421.52/x
  3. Step 3: Cross multiply
    11,093.36x = 16,542.64 × 9,421.52
  4. Step 4: Simplify right side
    11,093.36x = 155,856,813.61
  5. Step 5: Solve for x
    x = 155,856,813.61/11,093.36
  6. Step 6: Final answer
    x = 14,049.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.