Home / 8,207.25-11,322.35-4,847.77

Finding the Fourth Proportional to 8,207.25, 11,322.35 and 4,847.77

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Solution

The fourth proportional to 8,207.25, 11,322.35 and 4,847.77 is: 6,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.25 : 11,322.35 = 4,847.77 : x
  2. Step 2: Convert to fraction form
    8,207.25/11,322.35 = 4,847.77/x
  3. Step 3: Cross multiply
    8,207.25x = 11,322.35 × 4,847.77
  4. Step 4: Simplify right side
    8,207.25x = 54,888,148.66
  5. Step 5: Solve for x
    x = 54,888,148.66/8,207.25
  6. Step 6: Final answer
    x = 6,687.76

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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.