Home / 9,680.38-14,521.92-3,108.58

Finding the Fourth Proportional to 9,680.38, 14,521.92 and 3,108.58

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Solution

The fourth proportional to 9,680.38, 14,521.92 and 3,108.58 is: 4,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.38 : 14,521.92 = 3,108.58 : x
  2. Step 2: Convert to fraction form
    9,680.38/14,521.92 = 3,108.58/x
  3. Step 3: Cross multiply
    9,680.38x = 14,521.92 × 3,108.58
  4. Step 4: Simplify right side
    9,680.38x = 45,142,502.11
  5. Step 5: Solve for x
    x = 45,142,502.11/9,680.38
  6. Step 6: Final answer
    x = 4,663.30

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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.