Home / 11,156.75-16,722.16-4,574.96

Finding the Fourth Proportional to 11,156.75, 16,722.16 and 4,574.96

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Solution

The fourth proportional to 11,156.75, 16,722.16 and 4,574.96 is: 6,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.75 : 16,722.16 = 4,574.96 : x
  2. Step 2: Convert to fraction form
    11,156.75/16,722.16 = 4,574.96/x
  3. Step 3: Cross multiply
    11,156.75x = 16,722.16 × 4,574.96
  4. Step 4: Simplify right side
    11,156.75x = 76,503,213.11
  5. Step 5: Solve for x
    x = 76,503,213.11/11,156.75
  6. Step 6: Final answer
    x = 6,857.12

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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.