Home / 11,118.08-16,658.61-7,824.26

Finding the Fourth Proportional to 11,118.08, 16,658.61 and 7,824.26

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Solution

The fourth proportional to 11,118.08, 16,658.61 and 7,824.26 is: 11,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.08 : 16,658.61 = 7,824.26 : x
  2. Step 2: Convert to fraction form
    11,118.08/16,658.61 = 7,824.26/x
  3. Step 3: Cross multiply
    11,118.08x = 16,658.61 × 7,824.26
  4. Step 4: Simplify right side
    11,118.08x = 130,341,295.88
  5. Step 5: Solve for x
    x = 130,341,295.88/11,118.08
  6. Step 6: Final answer
    x = 11,723.36

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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.