Home / 11,923.52-16,453.68-6,618.08

Finding the Fourth Proportional to 11,923.52, 16,453.68 and 6,618.08

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Solution

The fourth proportional to 11,923.52, 16,453.68 and 6,618.08 is: 9,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.52 : 16,453.68 = 6,618.08 : x
  2. Step 2: Convert to fraction form
    11,923.52/16,453.68 = 6,618.08/x
  3. Step 3: Cross multiply
    11,923.52x = 16,453.68 × 6,618.08
  4. Step 4: Simplify right side
    11,923.52x = 108,891,770.53
  5. Step 5: Solve for x
    x = 108,891,770.53/11,923.52
  6. Step 6: Final answer
    x = 9,132.52

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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.