Home / 11,621.38-17,438.92-4,602.08

Finding the Fourth Proportional to 11,621.38, 17,438.92 and 4,602.08

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Solution

The fourth proportional to 11,621.38, 17,438.92 and 4,602.08 is: 6,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.38 : 17,438.92 = 4,602.08 : x
  2. Step 2: Convert to fraction form
    11,621.38/17,438.92 = 4,602.08/x
  3. Step 3: Cross multiply
    11,621.38x = 17,438.92 × 4,602.08
  4. Step 4: Simplify right side
    11,621.38x = 80,255,304.95
  5. Step 5: Solve for x
    x = 80,255,304.95/11,621.38
  6. Step 6: Final answer
    x = 6,905.83

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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.