Home / 9,242.25-13,869.52-3,398.86

Finding the Fourth Proportional to 9,242.25, 13,869.52 and 3,398.86

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Solution

The fourth proportional to 9,242.25, 13,869.52 and 3,398.86 is: 5,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.25 : 13,869.52 = 3,398.86 : x
  2. Step 2: Convert to fraction form
    9,242.25/13,869.52 = 3,398.86/x
  3. Step 3: Cross multiply
    9,242.25x = 13,869.52 × 3,398.86
  4. Step 4: Simplify right side
    9,242.25x = 47,140,609.63
  5. Step 5: Solve for x
    x = 47,140,609.63/9,242.25
  6. Step 6: Final answer
    x = 5,100.55

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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.