Home / 11,933.30-16,465.34-7,217.48

Finding the Fourth Proportional to 11,933.30, 16,465.34 and 7,217.48

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Solution

The fourth proportional to 11,933.30, 16,465.34 and 7,217.48 is: 9,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.30 : 16,465.34 = 7,217.48 : x
  2. Step 2: Convert to fraction form
    11,933.30/16,465.34 = 7,217.48/x
  3. Step 3: Cross multiply
    11,933.30x = 16,465.34 × 7,217.48
  4. Step 4: Simplify right side
    11,933.30x = 118,838,262.14
  5. Step 5: Solve for x
    x = 118,838,262.14/11,933.30
  6. Step 6: Final answer
    x = 9,958.54

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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.