Home / 11,310.32-15,608.52-6,274.75

Finding the Fourth Proportional to 11,310.32, 15,608.52 and 6,274.75

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Solution

The fourth proportional to 11,310.32, 15,608.52 and 6,274.75 is: 8,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.32 : 15,608.52 = 6,274.75 : x
  2. Step 2: Convert to fraction form
    11,310.32/15,608.52 = 6,274.75/x
  3. Step 3: Cross multiply
    11,310.32x = 15,608.52 × 6,274.75
  4. Step 4: Simplify right side
    11,310.32x = 97,939,594.90
  5. Step 5: Solve for x
    x = 97,939,594.90/11,310.32
  6. Step 6: Final answer
    x = 8,659.31

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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.