Home / 11,653.24-16,080.96-6,616.80

Finding the Fourth Proportional to 11,653.24, 16,080.96 and 6,616.80

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Solution

The fourth proportional to 11,653.24, 16,080.96 and 6,616.80 is: 9,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.24 : 16,080.96 = 6,616.80 : x
  2. Step 2: Convert to fraction form
    11,653.24/16,080.96 = 6,616.80/x
  3. Step 3: Cross multiply
    11,653.24x = 16,080.96 × 6,616.80
  4. Step 4: Simplify right side
    11,653.24x = 106,404,496.13
  5. Step 5: Solve for x
    x = 106,404,496.13/11,653.24
  6. Step 6: Final answer
    x = 9,130.89

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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.