Home / 11,103.75-16,658.26-3,312.77

Finding the Fourth Proportional to 11,103.75, 16,658.26 and 3,312.77

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Solution

The fourth proportional to 11,103.75, 16,658.26 and 3,312.77 is: 4,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.75 : 16,658.26 = 3,312.77 : x
  2. Step 2: Convert to fraction form
    11,103.75/16,658.26 = 3,312.77/x
  3. Step 3: Cross multiply
    11,103.75x = 16,658.26 × 3,312.77
  4. Step 4: Simplify right side
    11,103.75x = 55,184,892.41
  5. Step 5: Solve for x
    x = 55,184,892.41/11,103.75
  6. Step 6: Final answer
    x = 4,969.93

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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.