Home / 8,871.12-13,305.51-2,297.70

Finding the Fourth Proportional to 8,871.12, 13,305.51 and 2,297.70

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Solution

The fourth proportional to 8,871.12, 13,305.51 and 2,297.70 is: 3,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.12 : 13,305.51 = 2,297.70 : x
  2. Step 2: Convert to fraction form
    8,871.12/13,305.51 = 2,297.70/x
  3. Step 3: Cross multiply
    8,871.12x = 13,305.51 × 2,297.70
  4. Step 4: Simplify right side
    8,871.12x = 30,572,070.33
  5. Step 5: Solve for x
    x = 30,572,070.33/8,871.12
  6. Step 6: Final answer
    x = 3,446.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.