Home / 11,899.89-16,421.49-6,594.39

Finding the Fourth Proportional to 11,899.89, 16,421.49 and 6,594.39

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Solution

The fourth proportional to 11,899.89, 16,421.49 and 6,594.39 is: 9,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.89 : 16,421.49 = 6,594.39 : x
  2. Step 2: Convert to fraction form
    11,899.89/16,421.49 = 6,594.39/x
  3. Step 3: Cross multiply
    11,899.89x = 16,421.49 × 6,594.39
  4. Step 4: Simplify right side
    11,899.89x = 108,289,709.44
  5. Step 5: Solve for x
    x = 108,289,709.44/11,899.89
  6. Step 6: Final answer
    x = 9,100.06

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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.