Home / 8,256.15-11,387.64-5,069.61

Finding the Fourth Proportional to 8,256.15, 11,387.64 and 5,069.61

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Solution

The fourth proportional to 8,256.15, 11,387.64 and 5,069.61 is: 6,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.15 : 11,387.64 = 5,069.61 : x
  2. Step 2: Convert to fraction form
    8,256.15/11,387.64 = 5,069.61/x
  3. Step 3: Cross multiply
    8,256.15x = 11,387.64 × 5,069.61
  4. Step 4: Simplify right side
    8,256.15x = 57,730,893.62
  5. Step 5: Solve for x
    x = 57,730,893.62/8,256.15
  6. Step 6: Final answer
    x = 6,992.47

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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.