Home / 11,623.89-17,434.40-3,727.29

Finding the Fourth Proportional to 11,623.89, 17,434.40 and 3,727.29

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Solution

The fourth proportional to 11,623.89, 17,434.40 and 3,727.29 is: 5,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.89 : 17,434.40 = 3,727.29 : x
  2. Step 2: Convert to fraction form
    11,623.89/17,434.40 = 3,727.29/x
  3. Step 3: Cross multiply
    11,623.89x = 17,434.40 × 3,727.29
  4. Step 4: Simplify right side
    11,623.89x = 64,983,046.14
  5. Step 5: Solve for x
    x = 64,983,046.14/11,623.89
  6. Step 6: Final answer
    x = 5,590.47

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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.