Home / 11,748.20-17,622.30-7,370.60

Finding the Fourth Proportional to 11,748.20, 17,622.30 and 7,370.60

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Solution

The fourth proportional to 11,748.20, 17,622.30 and 7,370.60 is: 11,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.20 : 17,622.30 = 7,370.60 : x
  2. Step 2: Convert to fraction form
    11,748.20/17,622.30 = 7,370.60/x
  3. Step 3: Cross multiply
    11,748.20x = 17,622.30 × 7,370.60
  4. Step 4: Simplify right side
    11,748.20x = 129,886,924.38
  5. Step 5: Solve for x
    x = 129,886,924.38/11,748.20
  6. Step 6: Final answer
    x = 11,055.90

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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.