Home / 11,670.50-16,108.91-7,195.65

Finding the Fourth Proportional to 11,670.50, 16,108.91 and 7,195.65

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Solution

The fourth proportional to 11,670.50, 16,108.91 and 7,195.65 is: 9,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.50 : 16,108.91 = 7,195.65 : x
  2. Step 2: Convert to fraction form
    11,670.50/16,108.91 = 7,195.65/x
  3. Step 3: Cross multiply
    11,670.50x = 16,108.91 × 7,195.65
  4. Step 4: Simplify right side
    11,670.50x = 115,914,042.26
  5. Step 5: Solve for x
    x = 115,914,042.26/11,670.50
  6. Step 6: Final answer
    x = 9,932.23

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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.