Home / 9,890.20-14,830.17-3,649.96

Finding the Fourth Proportional to 9,890.20, 14,830.17 and 3,649.96

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Solution

The fourth proportional to 9,890.20, 14,830.17 and 3,649.96 is: 5,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.20 : 14,830.17 = 3,649.96 : x
  2. Step 2: Convert to fraction form
    9,890.20/14,830.17 = 3,649.96/x
  3. Step 3: Cross multiply
    9,890.20x = 14,830.17 × 3,649.96
  4. Step 4: Simplify right side
    9,890.20x = 54,129,527.29
  5. Step 5: Solve for x
    x = 54,129,527.29/9,890.20
  6. Step 6: Final answer
    x = 5,473.05

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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.