Home / 8,540.36-11,785.66-4,763.53

Finding the Fourth Proportional to 8,540.36, 11,785.66 and 4,763.53

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Solution

The fourth proportional to 8,540.36, 11,785.66 and 4,763.53 is: 6,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.36 : 11,785.66 = 4,763.53 : x
  2. Step 2: Convert to fraction form
    8,540.36/11,785.66 = 4,763.53/x
  3. Step 3: Cross multiply
    8,540.36x = 11,785.66 × 4,763.53
  4. Step 4: Simplify right side
    8,540.36x = 56,141,344.98
  5. Step 5: Solve for x
    x = 56,141,344.98/8,540.36
  6. Step 6: Final answer
    x = 6,573.65

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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.