Home / 10,125.62-15,187.03-2,730.53

Finding the Fourth Proportional to 10,125.62, 15,187.03 and 2,730.53

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Solution

The fourth proportional to 10,125.62, 15,187.03 and 2,730.53 is: 4,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.62 : 15,187.03 = 2,730.53 : x
  2. Step 2: Convert to fraction form
    10,125.62/15,187.03 = 2,730.53/x
  3. Step 3: Cross multiply
    10,125.62x = 15,187.03 × 2,730.53
  4. Step 4: Simplify right side
    10,125.62x = 41,468,565.09
  5. Step 5: Solve for x
    x = 41,468,565.09/10,125.62
  6. Step 6: Final answer
    x = 4,095.41

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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.