Home / 12,329.10-18,493.79-3,564.09

Finding the Fourth Proportional to 12,329.10, 18,493.79 and 3,564.09

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Solution

The fourth proportional to 12,329.10, 18,493.79 and 3,564.09 is: 5,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.10 : 18,493.79 = 3,564.09 : x
  2. Step 2: Convert to fraction form
    12,329.10/18,493.79 = 3,564.09/x
  3. Step 3: Cross multiply
    12,329.10x = 18,493.79 × 3,564.09
  4. Step 4: Simplify right side
    12,329.10x = 65,913,603.58
  5. Step 5: Solve for x
    x = 65,913,603.58/12,329.10
  6. Step 6: Final answer
    x = 5,346.18

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1.5x scale

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.