Home / 7,851.32-11,778.71-4,346.43

Finding the Fourth Proportional to 7,851.32, 11,778.71 and 4,346.43

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Solution

The fourth proportional to 7,851.32, 11,778.71 and 4,346.43 is: 6,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.32 : 11,778.71 = 4,346.43 : x
  2. Step 2: Convert to fraction form
    7,851.32/11,778.71 = 4,346.43/x
  3. Step 3: Cross multiply
    7,851.32x = 11,778.71 × 4,346.43
  4. Step 4: Simplify right side
    7,851.32x = 51,195,360.94
  5. Step 5: Solve for x
    x = 51,195,360.94/7,851.32
  6. Step 6: Final answer
    x = 6,520.61

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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.