Home / 12,042.29-18,040.06-8,873.98

Finding the Fourth Proportional to 12,042.29, 18,040.06 and 8,873.98

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Solution

The fourth proportional to 12,042.29, 18,040.06 and 8,873.98 is: 13,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.29 : 18,040.06 = 8,873.98 : x
  2. Step 2: Convert to fraction form
    12,042.29/18,040.06 = 8,873.98/x
  3. Step 3: Cross multiply
    12,042.29x = 18,040.06 × 8,873.98
  4. Step 4: Simplify right side
    12,042.29x = 160,087,097.63
  5. Step 5: Solve for x
    x = 160,087,097.63/12,042.29
  6. Step 6: Final answer
    x = 13,293.74

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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.