Home / 8,837.55-13,256.33-3,909.51

Finding the Fourth Proportional to 8,837.55, 13,256.33 and 3,909.51

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Solution

The fourth proportional to 8,837.55, 13,256.33 and 3,909.51 is: 5,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.55 : 13,256.33 = 3,909.51 : x
  2. Step 2: Convert to fraction form
    8,837.55/13,256.33 = 3,909.51/x
  3. Step 3: Cross multiply
    8,837.55x = 13,256.33 × 3,909.51
  4. Step 4: Simplify right side
    8,837.55x = 51,825,735.15
  5. Step 5: Solve for x
    x = 51,825,735.15/8,837.55
  6. Step 6: Final answer
    x = 5,864.27

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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.