Home / 11,933.58-16,468.86-6,628.89

Finding the Fourth Proportional to 11,933.58, 16,468.86 and 6,628.89

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Solution

The fourth proportional to 11,933.58, 16,468.86 and 6,628.89 is: 9,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.58 : 16,468.86 = 6,628.89 : x
  2. Step 2: Convert to fraction form
    11,933.58/16,468.86 = 6,628.89/x
  3. Step 3: Cross multiply
    11,933.58x = 16,468.86 × 6,628.89
  4. Step 4: Simplify right side
    11,933.58x = 109,170,261.37
  5. Step 5: Solve for x
    x = 109,170,261.37/11,933.58
  6. Step 6: Final answer
    x = 9,148.16

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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.