Home / 11,187.15-16,768.41-4,609.75

Finding the Fourth Proportional to 11,187.15, 16,768.41 and 4,609.75

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Solution

The fourth proportional to 11,187.15, 16,768.41 and 4,609.75 is: 6,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.15 : 16,768.41 = 4,609.75 : x
  2. Step 2: Convert to fraction form
    11,187.15/16,768.41 = 4,609.75/x
  3. Step 3: Cross multiply
    11,187.15x = 16,768.41 × 4,609.75
  4. Step 4: Simplify right side
    11,187.15x = 77,298,178.00
  5. Step 5: Solve for x
    x = 77,298,178.00/11,187.15
  6. Step 6: Final answer
    x = 6,909.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.