Home / 9,930.24-14,881.92-3,770.88

Finding the Fourth Proportional to 9,930.24, 14,881.92 and 3,770.88

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Solution

The fourth proportional to 9,930.24, 14,881.92 and 3,770.88 is: 5,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.24 : 14,881.92 = 3,770.88 : x
  2. Step 2: Convert to fraction form
    9,930.24/14,881.92 = 3,770.88/x
  3. Step 3: Cross multiply
    9,930.24x = 14,881.92 × 3,770.88
  4. Step 4: Simplify right side
    9,930.24x = 56,117,934.49
  5. Step 5: Solve for x
    x = 56,117,934.49/9,930.24
  6. Step 6: Final answer
    x = 5,651.22

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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.