Home / 8,857.51-12,226.68-5,874.35

Finding the Fourth Proportional to 8,857.51, 12,226.68 and 5,874.35

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Solution

The fourth proportional to 8,857.51, 12,226.68 and 5,874.35 is: 8,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.51 : 12,226.68 = 5,874.35 : x
  2. Step 2: Convert to fraction form
    8,857.51/12,226.68 = 5,874.35/x
  3. Step 3: Cross multiply
    8,857.51x = 12,226.68 × 5,874.35
  4. Step 4: Simplify right side
    8,857.51x = 71,823,797.66
  5. Step 5: Solve for x
    x = 71,823,797.66/8,857.51
  6. Step 6: Final answer
    x = 8,108.80

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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.