Home / 8,068.58-11,131.92-4,531.04

Finding the Fourth Proportional to 8,068.58, 11,131.92 and 4,531.04

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Solution

The fourth proportional to 8,068.58, 11,131.92 and 4,531.04 is: 6,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.58 : 11,131.92 = 4,531.04 : x
  2. Step 2: Convert to fraction form
    8,068.58/11,131.92 = 4,531.04/x
  3. Step 3: Cross multiply
    8,068.58x = 11,131.92 × 4,531.04
  4. Step 4: Simplify right side
    8,068.58x = 50,439,174.80
  5. Step 5: Solve for x
    x = 50,439,174.80/8,068.58
  6. Step 6: Final answer
    x = 6,251.31

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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.