Home / 13,497.92-18,619.34-8,116.62

Finding the Fourth Proportional to 13,497.92, 18,619.34 and 8,116.62

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Solution

The fourth proportional to 13,497.92, 18,619.34 and 8,116.62 is: 11,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.92 : 18,619.34 = 8,116.62 : x
  2. Step 2: Convert to fraction form
    13,497.92/18,619.34 = 8,116.62/x
  3. Step 3: Cross multiply
    13,497.92x = 18,619.34 × 8,116.62
  4. Step 4: Simplify right side
    13,497.92x = 151,126,107.43
  5. Step 5: Solve for x
    x = 151,126,107.43/13,497.92
  6. Step 6: Final answer
    x = 11,196.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.