Home / 11,117.12-16,679.52-4,195.52

Finding the Fourth Proportional to 11,117.12, 16,679.52 and 4,195.52

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Solution

The fourth proportional to 11,117.12, 16,679.52 and 4,195.52 is: 6,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.12 : 16,679.52 = 4,195.52 : x
  2. Step 2: Convert to fraction form
    11,117.12/16,679.52 = 4,195.52/x
  3. Step 3: Cross multiply
    11,117.12x = 16,679.52 × 4,195.52
  4. Step 4: Simplify right side
    11,117.12x = 69,979,259.75
  5. Step 5: Solve for x
    x = 69,979,259.75/11,117.12
  6. Step 6: Final answer
    x = 6,294.73

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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.