Home / 10,168.17-15,251.79-2,772.62

Finding the Fourth Proportional to 10,168.17, 15,251.79 and 2,772.62

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Solution

The fourth proportional to 10,168.17, 15,251.79 and 2,772.62 is: 4,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.17 : 15,251.79 = 2,772.62 : x
  2. Step 2: Convert to fraction form
    10,168.17/15,251.79 = 2,772.62/x
  3. Step 3: Cross multiply
    10,168.17x = 15,251.79 × 2,772.62
  4. Step 4: Simplify right side
    10,168.17x = 42,287,417.99
  5. Step 5: Solve for x
    x = 42,287,417.99/10,168.17
  6. Step 6: Final answer
    x = 4,158.80

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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.