Home / 12,267.86-18,402.40-3,504.08

Finding the Fourth Proportional to 12,267.86, 18,402.40 and 3,504.08

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Solution

The fourth proportional to 12,267.86, 18,402.40 and 3,504.08 is: 5,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.86 : 18,402.40 = 3,504.08 : x
  2. Step 2: Convert to fraction form
    12,267.86/18,402.40 = 3,504.08/x
  3. Step 3: Cross multiply
    12,267.86x = 18,402.40 × 3,504.08
  4. Step 4: Simplify right side
    12,267.86x = 64,483,481.79
  5. Step 5: Solve for x
    x = 64,483,481.79/12,267.86
  6. Step 6: Final answer
    x = 5,256.29

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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.