Home / 11,340.75-15,650.79-6,304.86

Finding the Fourth Proportional to 11,340.75, 15,650.79 and 6,304.86

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Solution

The fourth proportional to 11,340.75, 15,650.79 and 6,304.86 is: 8,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.75 : 15,650.79 = 6,304.86 : x
  2. Step 2: Convert to fraction form
    11,340.75/15,650.79 = 6,304.86/x
  3. Step 3: Cross multiply
    11,340.75x = 15,650.79 × 6,304.86
  4. Step 4: Simplify right side
    11,340.75x = 98,676,016.20
  5. Step 5: Solve for x
    x = 98,676,016.20/11,340.75
  6. Step 6: Final answer
    x = 8,701.02

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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.