Home / 11,722.05-16,176.51-6,416.82

Finding the Fourth Proportional to 11,722.05, 16,176.51 and 6,416.82

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Solution

The fourth proportional to 11,722.05, 16,176.51 and 6,416.82 is: 8,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.05 : 16,176.51 = 6,416.82 : x
  2. Step 2: Convert to fraction form
    11,722.05/16,176.51 = 6,416.82/x
  3. Step 3: Cross multiply
    11,722.05x = 16,176.51 × 6,416.82
  4. Step 4: Simplify right side
    11,722.05x = 103,801,752.90
  5. Step 5: Solve for x
    x = 103,801,752.90/11,722.05
  6. Step 6: Final answer
    x = 8,855.26

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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.