Home / 11,708.56-17,565.36-3,917.08

Finding the Fourth Proportional to 11,708.56, 17,565.36 and 3,917.08

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Solution

The fourth proportional to 11,708.56, 17,565.36 and 3,917.08 is: 5,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.56 : 17,565.36 = 3,917.08 : x
  2. Step 2: Convert to fraction form
    11,708.56/17,565.36 = 3,917.08/x
  3. Step 3: Cross multiply
    11,708.56x = 17,565.36 × 3,917.08
  4. Step 4: Simplify right side
    11,708.56x = 68,804,920.35
  5. Step 5: Solve for x
    x = 68,804,920.35/11,708.56
  6. Step 6: Final answer
    x = 5,876.46

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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.