Home / 8,162.97-11,252.85-6,368.43

Finding the Fourth Proportional to 8,162.97, 11,252.85 and 6,368.43

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Solution

The fourth proportional to 8,162.97, 11,252.85 and 6,368.43 is: 8,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.97 : 11,252.85 = 6,368.43 : x
  2. Step 2: Convert to fraction form
    8,162.97/11,252.85 = 6,368.43/x
  3. Step 3: Cross multiply
    8,162.97x = 11,252.85 × 6,368.43
  4. Step 4: Simplify right side
    8,162.97x = 71,662,987.53
  5. Step 5: Solve for x
    x = 71,662,987.53/8,162.97
  6. Step 6: Final answer
    x = 8,779.03

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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.