Home / 7,215.14-10,823.56-2,832.03

Finding the Fourth Proportional to 7,215.14, 10,823.56 and 2,832.03

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Solution

The fourth proportional to 7,215.14, 10,823.56 and 2,832.03 is: 4,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.14 : 10,823.56 = 2,832.03 : x
  2. Step 2: Convert to fraction form
    7,215.14/10,823.56 = 2,832.03/x
  3. Step 3: Cross multiply
    7,215.14x = 10,823.56 × 2,832.03
  4. Step 4: Simplify right side
    7,215.14x = 30,652,639.55
  5. Step 5: Solve for x
    x = 30,652,639.55/7,215.14
  6. Step 6: Final answer
    x = 4,248.38

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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.