Home / 11,405.51-17,108.87-3,614.93

Finding the Fourth Proportional to 11,405.51, 17,108.87 and 3,614.93

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Solution

The fourth proportional to 11,405.51, 17,108.87 and 3,614.93 is: 5,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.51 : 17,108.87 = 3,614.93 : x
  2. Step 2: Convert to fraction form
    11,405.51/17,108.87 = 3,614.93/x
  3. Step 3: Cross multiply
    11,405.51x = 17,108.87 × 3,614.93
  4. Step 4: Simplify right side
    11,405.51x = 61,847,348.30
  5. Step 5: Solve for x
    x = 61,847,348.30/11,405.51
  6. Step 6: Final answer
    x = 5,422.59

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1.5x scale

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.