Home / 8,054.12-11,121.30-5,074.76

Finding the Fourth Proportional to 8,054.12, 11,121.30 and 5,074.76

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Solution

The fourth proportional to 8,054.12, 11,121.30 and 5,074.76 is: 7,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.12 : 11,121.30 = 5,074.76 : x
  2. Step 2: Convert to fraction form
    8,054.12/11,121.30 = 5,074.76/x
  3. Step 3: Cross multiply
    8,054.12x = 11,121.30 × 5,074.76
  4. Step 4: Simplify right side
    8,054.12x = 56,437,928.39
  5. Step 5: Solve for x
    x = 56,437,928.39/8,054.12
  6. Step 6: Final answer
    x = 7,007.34

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Half scale
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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.