Home / 12,402.06-18,602.70-3,042.12

Finding the Fourth Proportional to 12,402.06, 18,602.70 and 3,042.12

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Solution

The fourth proportional to 12,402.06, 18,602.70 and 3,042.12 is: 4,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.06 : 18,602.70 = 3,042.12 : x
  2. Step 2: Convert to fraction form
    12,402.06/18,602.70 = 3,042.12/x
  3. Step 3: Cross multiply
    12,402.06x = 18,602.70 × 3,042.12
  4. Step 4: Simplify right side
    12,402.06x = 56,591,645.72
  5. Step 5: Solve for x
    x = 56,591,645.72/12,402.06
  6. Step 6: Final answer
    x = 4,563.08

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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.