Home / 11,248.20-16,877.10-5,401.80

Finding the Fourth Proportional to 11,248.20, 16,877.10 and 5,401.80

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Solution

The fourth proportional to 11,248.20, 16,877.10 and 5,401.80 is: 8,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.20 : 16,877.10 = 5,401.80 : x
  2. Step 2: Convert to fraction form
    11,248.20/16,877.10 = 5,401.80/x
  3. Step 3: Cross multiply
    11,248.20x = 16,877.10 × 5,401.80
  4. Step 4: Simplify right side
    11,248.20x = 91,166,718.78
  5. Step 5: Solve for x
    x = 91,166,718.78/11,248.20
  6. Step 6: Final answer
    x = 8,105.01

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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.