Home / 13,512.06-20,276.96-6,116.60

Finding the Fourth Proportional to 13,512.06, 20,276.96 and 6,116.60

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Solution

The fourth proportional to 13,512.06, 20,276.96 and 6,116.60 is: 9,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.06 : 20,276.96 = 6,116.60 : x
  2. Step 2: Convert to fraction form
    13,512.06/20,276.96 = 6,116.60/x
  3. Step 3: Cross multiply
    13,512.06x = 20,276.96 × 6,116.60
  4. Step 4: Simplify right side
    13,512.06x = 124,025,921.57
  5. Step 5: Solve for x
    x = 124,025,921.57/13,512.06
  6. Step 6: Final answer
    x = 9,178.91

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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.