Home / 11,088.15-16,631.76-5,163

Finding the Fourth Proportional to 11,088.15, 16,631.76 and 5,163

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Solution

The fourth proportional to 11,088.15, 16,631.76 and 5,163 is: 7,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.15 : 16,631.76 = 5,163 : x
  2. Step 2: Convert to fraction form
    11,088.15/16,631.76 = 5,163/x
  3. Step 3: Cross multiply
    11,088.15x = 16,631.76 × 5,163
  4. Step 4: Simplify right side
    11,088.15x = 85,869,776.88
  5. Step 5: Solve for x
    x = 85,869,776.88/11,088.15
  6. Step 6: Final answer
    x = 7,744.28

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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.