Home / 9,694.20-14,541.30-8,081.40

Finding the Fourth Proportional to 9,694.20, 14,541.30 and 8,081.40

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Solution

The fourth proportional to 9,694.20, 14,541.30 and 8,081.40 is: 12,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,694.20 : 14,541.30 = 8,081.40 : x
  2. Step 2: Convert to fraction form
    9,694.20/14,541.30 = 8,081.40/x
  3. Step 3: Cross multiply
    9,694.20x = 14,541.30 × 8,081.40
  4. Step 4: Simplify right side
    9,694.20x = 117,514,061.82
  5. Step 5: Solve for x
    x = 117,514,061.82/9,694.20
  6. Step 6: Final answer
    x = 12,122.10

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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.