Home / 11,929.12-16,464.60-6,893.55

Finding the Fourth Proportional to 11,929.12, 16,464.60 and 6,893.55

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Solution

The fourth proportional to 11,929.12, 16,464.60 and 6,893.55 is: 9,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.12 : 16,464.60 = 6,893.55 : x
  2. Step 2: Convert to fraction form
    11,929.12/16,464.60 = 6,893.55/x
  3. Step 3: Cross multiply
    11,929.12x = 16,464.60 × 6,893.55
  4. Step 4: Simplify right side
    11,929.12x = 113,499,543.33
  5. Step 5: Solve for x
    x = 113,499,543.33/11,929.12
  6. Step 6: Final answer
    x = 9,514.50

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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.