Home / 8,072.51-11,138.82-4,535.04

Finding the Fourth Proportional to 8,072.51, 11,138.82 and 4,535.04

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Solution

The fourth proportional to 8,072.51, 11,138.82 and 4,535.04 is: 6,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.51 : 11,138.82 = 4,535.04 : x
  2. Step 2: Convert to fraction form
    8,072.51/11,138.82 = 4,535.04/x
  3. Step 3: Cross multiply
    8,072.51x = 11,138.82 × 4,535.04
  4. Step 4: Simplify right side
    8,072.51x = 50,514,994.25
  5. Step 5: Solve for x
    x = 50,514,994.25/8,072.51
  6. Step 6: Final answer
    x = 6,257.66

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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.