Home / 11,923.48-16,453.56-6,618.12

Finding the Fourth Proportional to 11,923.48, 16,453.56 and 6,618.12

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Solution

The fourth proportional to 11,923.48, 16,453.56 and 6,618.12 is: 9,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.48 : 16,453.56 = 6,618.12 : x
  2. Step 2: Convert to fraction form
    11,923.48/16,453.56 = 6,618.12/x
  3. Step 3: Cross multiply
    11,923.48x = 16,453.56 × 6,618.12
  4. Step 4: Simplify right side
    11,923.48x = 108,891,634.51
  5. Step 5: Solve for x
    x = 108,891,634.51/11,923.48
  6. Step 6: Final answer
    x = 9,132.54

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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.