Home / 8,536.90-11,775.58-5,879.70

Finding the Fourth Proportional to 8,536.90, 11,775.58 and 5,879.70

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Solution

The fourth proportional to 8,536.90, 11,775.58 and 5,879.70 is: 8,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.90 : 11,775.58 = 5,879.70 : x
  2. Step 2: Convert to fraction form
    8,536.90/11,775.58 = 5,879.70/x
  3. Step 3: Cross multiply
    8,536.90x = 11,775.58 × 5,879.70
  4. Step 4: Simplify right side
    8,536.90x = 69,236,877.73
  5. Step 5: Solve for x
    x = 69,236,877.73/8,536.90
  6. Step 6: Final answer
    x = 8,110.31

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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.