Home / 13,079.92-19,592.79-6,396.31

Finding the Fourth Proportional to 13,079.92, 19,592.79 and 6,396.31

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Solution

The fourth proportional to 13,079.92, 19,592.79 and 6,396.31 is: 9,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.92 : 19,592.79 = 6,396.31 : x
  2. Step 2: Convert to fraction form
    13,079.92/19,592.79 = 6,396.31/x
  3. Step 3: Cross multiply
    13,079.92x = 19,592.79 × 6,396.31
  4. Step 4: Simplify right side
    13,079.92x = 125,321,558.60
  5. Step 5: Solve for x
    x = 125,321,558.60/13,079.92
  6. Step 6: Final answer
    x = 9,581.22

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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.