Home / 11,722.17-16,176.46-6,416.92

Finding the Fourth Proportional to 11,722.17, 16,176.46 and 6,416.92

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Solution

The fourth proportional to 11,722.17, 16,176.46 and 6,416.92 is: 8,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.17 : 16,176.46 = 6,416.92 : x
  2. Step 2: Convert to fraction form
    11,722.17/16,176.46 = 6,416.92/x
  3. Step 3: Cross multiply
    11,722.17x = 16,176.46 × 6,416.92
  4. Step 4: Simplify right side
    11,722.17x = 103,803,049.70
  5. Step 5: Solve for x
    x = 103,803,049.70/11,722.17
  6. Step 6: Final answer
    x = 8,855.28

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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.