Home / 11,270.77-16,881.55-6,874.90

Finding the Fourth Proportional to 11,270.77, 16,881.55 and 6,874.90

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Solution

The fourth proportional to 11,270.77, 16,881.55 and 6,874.90 is: 10,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.77 : 16,881.55 = 6,874.90 : x
  2. Step 2: Convert to fraction form
    11,270.77/16,881.55 = 6,874.90/x
  3. Step 3: Cross multiply
    11,270.77x = 16,881.55 × 6,874.90
  4. Step 4: Simplify right side
    11,270.77x = 116,058,908.70
  5. Step 5: Solve for x
    x = 116,058,908.70/11,270.77
  6. Step 6: Final answer
    x = 10,297.34

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1.5x scale

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.