Home / 12,016.85-16,462.81-11,567.61

Finding the Fourth Proportional to 12,016.85, 16,462.81 and 11,567.61

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Solution

The fourth proportional to 12,016.85, 16,462.81 and 11,567.61 is: 15,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.85 : 16,462.81 = 11,567.61 : x
  2. Step 2: Convert to fraction form
    12,016.85/16,462.81 = 11,567.61/x
  3. Step 3: Cross multiply
    12,016.85x = 16,462.81 × 11,567.61
  4. Step 4: Simplify right side
    12,016.85x = 190,435,307.75
  5. Step 5: Solve for x
    x = 190,435,307.75/12,016.85
  6. Step 6: Final answer
    x = 15,847.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.