Home / 11,847.61-16,352.27-8,079.77

Finding the Fourth Proportional to 11,847.61, 16,352.27 and 8,079.77

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Solution

The fourth proportional to 11,847.61, 16,352.27 and 8,079.77 is: 11,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.61 : 16,352.27 = 8,079.77 : x
  2. Step 2: Convert to fraction form
    11,847.61/16,352.27 = 8,079.77/x
  3. Step 3: Cross multiply
    11,847.61x = 16,352.27 × 8,079.77
  4. Step 4: Simplify right side
    11,847.61x = 132,122,611.36
  5. Step 5: Solve for x
    x = 132,122,611.36/11,847.61
  6. Step 6: Final answer
    x = 11,151.84

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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.