Home / 8,540.24-11,784.74-4,955.83

Finding the Fourth Proportional to 8,540.24, 11,784.74 and 4,955.83

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Solution

The fourth proportional to 8,540.24, 11,784.74 and 4,955.83 is: 6,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.24 : 11,784.74 = 4,955.83 : x
  2. Step 2: Convert to fraction form
    8,540.24/11,784.74 = 4,955.83/x
  3. Step 3: Cross multiply
    8,540.24x = 11,784.74 × 4,955.83
  4. Step 4: Simplify right side
    8,540.24x = 58,403,207.96
  5. Step 5: Solve for x
    x = 58,403,207.96/8,540.24
  6. Step 6: Final answer
    x = 6,838.59

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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.