Home / 8,399.94-11,587.11-5,250.66

Finding the Fourth Proportional to 8,399.94, 11,587.11 and 5,250.66

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Solution

The fourth proportional to 8,399.94, 11,587.11 and 5,250.66 is: 7,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.94 : 11,587.11 = 5,250.66 : x
  2. Step 2: Convert to fraction form
    8,399.94/11,587.11 = 5,250.66/x
  3. Step 3: Cross multiply
    8,399.94x = 11,587.11 × 5,250.66
  4. Step 4: Simplify right side
    8,399.94x = 60,839,997.65
  5. Step 5: Solve for x
    x = 60,839,997.65/8,399.94
  6. Step 6: Final answer
    x = 7,242.91

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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.