Home / 8,074.11-11,142.51-4,887.98

Finding the Fourth Proportional to 8,074.11, 11,142.51 and 4,887.98

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Solution

The fourth proportional to 8,074.11, 11,142.51 and 4,887.98 is: 6,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.11 : 11,142.51 = 4,887.98 : x
  2. Step 2: Convert to fraction form
    8,074.11/11,142.51 = 4,887.98/x
  3. Step 3: Cross multiply
    8,074.11x = 11,142.51 × 4,887.98
  4. Step 4: Simplify right side
    8,074.11x = 54,464,366.03
  5. Step 5: Solve for x
    x = 54,464,366.03/8,074.11
  6. Step 6: Final answer
    x = 6,745.56

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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.