Home / 8,453.80-11,666.82-4,727.08

Finding the Fourth Proportional to 8,453.80, 11,666.82 and 4,727.08

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Solution

The fourth proportional to 8,453.80, 11,666.82 and 4,727.08 is: 6,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.80 : 11,666.82 = 4,727.08 : x
  2. Step 2: Convert to fraction form
    8,453.80/11,666.82 = 4,727.08/x
  3. Step 3: Cross multiply
    8,453.80x = 11,666.82 × 4,727.08
  4. Step 4: Simplify right side
    8,453.80x = 55,149,991.49
  5. Step 5: Solve for x
    x = 55,149,991.49/8,453.80
  6. Step 6: Final answer
    x = 6,523.69

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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.