Home / 8,588.22-12,886.65-3,398.46

Finding the Fourth Proportional to 8,588.22, 12,886.65 and 3,398.46

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Solution

The fourth proportional to 8,588.22, 12,886.65 and 3,398.46 is: 5,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.22 : 12,886.65 = 3,398.46 : x
  2. Step 2: Convert to fraction form
    8,588.22/12,886.65 = 3,398.46/x
  3. Step 3: Cross multiply
    8,588.22x = 12,886.65 × 3,398.46
  4. Step 4: Simplify right side
    8,588.22x = 43,794,764.56
  5. Step 5: Solve for x
    x = 43,794,764.56/8,588.22
  6. Step 6: Final answer
    x = 5,099.40

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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.