Home / 9,869.80-14,805-3,296.56

Finding the Fourth Proportional to 9,869.80, 14,805 and 3,296.56

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Solution

The fourth proportional to 9,869.80, 14,805 and 3,296.56 is: 4,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.80 : 14,805 = 3,296.56 : x
  2. Step 2: Convert to fraction form
    9,869.80/14,805 = 3,296.56/x
  3. Step 3: Cross multiply
    9,869.80x = 14,805 × 3,296.56
  4. Step 4: Simplify right side
    9,869.80x = 48,805,570.80
  5. Step 5: Solve for x
    x = 48,805,570.80/9,869.80
  6. Step 6: Final answer
    x = 4,944.94

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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.