Home / 8,387.96-11,575.56-4,611.08

Finding the Fourth Proportional to 8,387.96, 11,575.56 and 4,611.08

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Solution

The fourth proportional to 8,387.96, 11,575.56 and 4,611.08 is: 6,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.96 : 11,575.56 = 4,611.08 : x
  2. Step 2: Convert to fraction form
    8,387.96/11,575.56 = 4,611.08/x
  3. Step 3: Cross multiply
    8,387.96x = 11,575.56 × 4,611.08
  4. Step 4: Simplify right side
    8,387.96x = 53,375,833.20
  5. Step 5: Solve for x
    x = 53,375,833.20/8,387.96
  6. Step 6: Final answer
    x = 6,363.39

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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.