Home / 11,104.12-16,658.70-3,312.64

Finding the Fourth Proportional to 11,104.12, 16,658.70 and 3,312.64

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Solution

The fourth proportional to 11,104.12, 16,658.70 and 3,312.64 is: 4,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.12 : 16,658.70 = 3,312.64 : x
  2. Step 2: Convert to fraction form
    11,104.12/16,658.70 = 3,312.64/x
  3. Step 3: Cross multiply
    11,104.12x = 16,658.70 × 3,312.64
  4. Step 4: Simplify right side
    11,104.12x = 55,184,275.97
  5. Step 5: Solve for x
    x = 55,184,275.97/11,104.12
  6. Step 6: Final answer
    x = 4,969.71

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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.