Home / 11,776.23-17,660.70-5,207.94

Finding the Fourth Proportional to 11,776.23, 17,660.70 and 5,207.94

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Solution

The fourth proportional to 11,776.23, 17,660.70 and 5,207.94 is: 7,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.23 : 17,660.70 = 5,207.94 : x
  2. Step 2: Convert to fraction form
    11,776.23/17,660.70 = 5,207.94/x
  3. Step 3: Cross multiply
    11,776.23x = 17,660.70 × 5,207.94
  4. Step 4: Simplify right side
    11,776.23x = 91,975,865.96
  5. Step 5: Solve for x
    x = 91,975,865.96/11,776.23
  6. Step 6: Final answer
    x = 7,810.30

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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.