Home / 12,034.31-18,013.65-8,264.01

Finding the Fourth Proportional to 12,034.31, 18,013.65 and 8,264.01

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Solution

The fourth proportional to 12,034.31, 18,013.65 and 8,264.01 is: 12,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.31 : 18,013.65 = 8,264.01 : x
  2. Step 2: Convert to fraction form
    12,034.31/18,013.65 = 8,264.01/x
  3. Step 3: Cross multiply
    12,034.31x = 18,013.65 × 8,264.01
  4. Step 4: Simplify right side
    12,034.31x = 148,865,000.78
  5. Step 5: Solve for x
    x = 148,865,000.78/12,034.31
  6. Step 6: Final answer
    x = 12,370.05

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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.