Home / 8,074.87-11,142.92-4,490.07

Finding the Fourth Proportional to 8,074.87, 11,142.92 and 4,490.07

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Solution

The fourth proportional to 8,074.87, 11,142.92 and 4,490.07 is: 6,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.87 : 11,142.92 = 4,490.07 : x
  2. Step 2: Convert to fraction form
    8,074.87/11,142.92 = 4,490.07/x
  3. Step 3: Cross multiply
    8,074.87x = 11,142.92 × 4,490.07
  4. Step 4: Simplify right side
    8,074.87x = 50,032,490.80
  5. Step 5: Solve for x
    x = 50,032,490.80/8,074.87
  6. Step 6: Final answer
    x = 6,196.07

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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.