Home / 11,325.59-16,984.12-3,928.26

Finding the Fourth Proportional to 11,325.59, 16,984.12 and 3,928.26

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Solution

The fourth proportional to 11,325.59, 16,984.12 and 3,928.26 is: 5,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.59 : 16,984.12 = 3,928.26 : x
  2. Step 2: Convert to fraction form
    11,325.59/16,984.12 = 3,928.26/x
  3. Step 3: Cross multiply
    11,325.59x = 16,984.12 × 3,928.26
  4. Step 4: Simplify right side
    11,325.59x = 66,718,039.23
  5. Step 5: Solve for x
    x = 66,718,039.23/11,325.59
  6. Step 6: Final answer
    x = 5,890.91

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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.