Home / 12,101.22-18,144.78-4,697.03

Finding the Fourth Proportional to 12,101.22, 18,144.78 and 4,697.03

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Solution

The fourth proportional to 12,101.22, 18,144.78 and 4,697.03 is: 7,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.22 : 18,144.78 = 4,697.03 : x
  2. Step 2: Convert to fraction form
    12,101.22/18,144.78 = 4,697.03/x
  3. Step 3: Cross multiply
    12,101.22x = 18,144.78 × 4,697.03
  4. Step 4: Simplify right side
    12,101.22x = 85,226,534.26
  5. Step 5: Solve for x
    x = 85,226,534.26/12,101.22
  6. Step 6: Final answer
    x = 7,042.81

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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.