Home / 11,178.62-16,774.98-6,251.48

Finding the Fourth Proportional to 11,178.62, 16,774.98 and 6,251.48

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Solution

The fourth proportional to 11,178.62, 16,774.98 and 6,251.48 is: 9,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.62 : 16,774.98 = 6,251.48 : x
  2. Step 2: Convert to fraction form
    11,178.62/16,774.98 = 6,251.48/x
  3. Step 3: Cross multiply
    11,178.62x = 16,774.98 × 6,251.48
  4. Step 4: Simplify right side
    11,178.62x = 104,868,451.97
  5. Step 5: Solve for x
    x = 104,868,451.97/11,178.62
  6. Step 6: Final answer
    x = 9,381.16

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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.