Home / 9,172.08-13,756.32-2,932.80

Finding the Fourth Proportional to 9,172.08, 13,756.32 and 2,932.80

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Solution

The fourth proportional to 9,172.08, 13,756.32 and 2,932.80 is: 4,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.08 : 13,756.32 = 2,932.80 : x
  2. Step 2: Convert to fraction form
    9,172.08/13,756.32 = 2,932.80/x
  3. Step 3: Cross multiply
    9,172.08x = 13,756.32 × 2,932.80
  4. Step 4: Simplify right side
    9,172.08x = 40,344,535.30
  5. Step 5: Solve for x
    x = 40,344,535.30/9,172.08
  6. Step 6: Final answer
    x = 4,398.62

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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.