Home / 10,992.06-15,169.86-6,276.60

Finding the Fourth Proportional to 10,992.06, 15,169.86 and 6,276.60

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Solution

The fourth proportional to 10,992.06, 15,169.86 and 6,276.60 is: 8,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.06 : 15,169.86 = 6,276.60 : x
  2. Step 2: Convert to fraction form
    10,992.06/15,169.86 = 6,276.60/x
  3. Step 3: Cross multiply
    10,992.06x = 15,169.86 × 6,276.60
  4. Step 4: Simplify right side
    10,992.06x = 95,215,143.28
  5. Step 5: Solve for x
    x = 95,215,143.28/10,992.06
  6. Step 6: Final answer
    x = 8,662.17

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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.