Home / 11,201.22-16,790.12-4,178.42

Finding the Fourth Proportional to 11,201.22, 16,790.12 and 4,178.42

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Solution

The fourth proportional to 11,201.22, 16,790.12 and 4,178.42 is: 6,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.22 : 16,790.12 = 4,178.42 : x
  2. Step 2: Convert to fraction form
    11,201.22/16,790.12 = 4,178.42/x
  3. Step 3: Cross multiply
    11,201.22x = 16,790.12 × 4,178.42
  4. Step 4: Simplify right side
    11,201.22x = 70,156,068.37
  5. Step 5: Solve for x
    x = 70,156,068.37/11,201.22
  6. Step 6: Final answer
    x = 6,263.25

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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.