Home / 11,310.76-15,608.87-6,274.86

Finding the Fourth Proportional to 11,310.76, 15,608.87 and 6,274.86

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Solution

The fourth proportional to 11,310.76, 15,608.87 and 6,274.86 is: 8,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.76 : 15,608.87 = 6,274.86 : x
  2. Step 2: Convert to fraction form
    11,310.76/15,608.87 = 6,274.86/x
  3. Step 3: Cross multiply
    11,310.76x = 15,608.87 × 6,274.86
  4. Step 4: Simplify right side
    11,310.76x = 97,943,474.01
  5. Step 5: Solve for x
    x = 97,943,474.01/11,310.76
  6. Step 6: Final answer
    x = 8,659.32

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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.