Home / 11,329.52-16,998.64-5,485.68

Finding the Fourth Proportional to 11,329.52, 16,998.64 and 5,485.68

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Solution

The fourth proportional to 11,329.52, 16,998.64 and 5,485.68 is: 8,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.52 : 16,998.64 = 5,485.68 : x
  2. Step 2: Convert to fraction form
    11,329.52/16,998.64 = 5,485.68/x
  3. Step 3: Cross multiply
    11,329.52x = 16,998.64 × 5,485.68
  4. Step 4: Simplify right side
    11,329.52x = 93,249,099.48
  5. Step 5: Solve for x
    x = 93,249,099.48/11,329.52
  6. Step 6: Final answer
    x = 8,230.63

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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.