Home / 9,272.64-13,910.40-4,342.72

Finding the Fourth Proportional to 9,272.64, 13,910.40 and 4,342.72

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Solution

The fourth proportional to 9,272.64, 13,910.40 and 4,342.72 is: 6,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.64 : 13,910.40 = 4,342.72 : x
  2. Step 2: Convert to fraction form
    9,272.64/13,910.40 = 4,342.72/x
  3. Step 3: Cross multiply
    9,272.64x = 13,910.40 × 4,342.72
  4. Step 4: Simplify right side
    9,272.64x = 60,408,972.29
  5. Step 5: Solve for x
    x = 60,408,972.29/9,272.64
  6. Step 6: Final answer
    x = 6,514.75

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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.