Home / 10,155.52-15,235.44-3,581.44

Finding the Fourth Proportional to 10,155.52, 15,235.44 and 3,581.44

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Solution

The fourth proportional to 10,155.52, 15,235.44 and 3,581.44 is: 5,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.52 : 15,235.44 = 3,581.44 : x
  2. Step 2: Convert to fraction form
    10,155.52/15,235.44 = 3,581.44/x
  3. Step 3: Cross multiply
    10,155.52x = 15,235.44 × 3,581.44
  4. Step 4: Simplify right side
    10,155.52x = 54,564,814.23
  5. Step 5: Solve for x
    x = 54,564,814.23/10,155.52
  6. Step 6: Final answer
    x = 5,372.92

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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.