Home / 12,374.22-18,564.53-4,371.02

Finding the Fourth Proportional to 12,374.22, 18,564.53 and 4,371.02

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Solution

The fourth proportional to 12,374.22, 18,564.53 and 4,371.02 is: 6,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.22 : 18,564.53 = 4,371.02 : x
  2. Step 2: Convert to fraction form
    12,374.22/18,564.53 = 4,371.02/x
  3. Step 3: Cross multiply
    12,374.22x = 18,564.53 × 4,371.02
  4. Step 4: Simplify right side
    12,374.22x = 81,145,886.86
  5. Step 5: Solve for x
    x = 81,145,886.86/12,374.22
  6. Step 6: Final answer
    x = 6,557.65

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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.