Home / 10,221.99-15,329.21-3,646.41

Finding the Fourth Proportional to 10,221.99, 15,329.21 and 3,646.41

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Solution

The fourth proportional to 10,221.99, 15,329.21 and 3,646.41 is: 5,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.99 : 15,329.21 = 3,646.41 : x
  2. Step 2: Convert to fraction form
    10,221.99/15,329.21 = 3,646.41/x
  3. Step 3: Cross multiply
    10,221.99x = 15,329.21 × 3,646.41
  4. Step 4: Simplify right side
    10,221.99x = 55,896,566.40
  5. Step 5: Solve for x
    x = 55,896,566.40/10,221.99
  6. Step 6: Final answer
    x = 5,468.27

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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.