Home / 12,213.48-18,333.18-5,292.84

Finding the Fourth Proportional to 12,213.48, 18,333.18 and 5,292.84

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Solution

The fourth proportional to 12,213.48, 18,333.18 and 5,292.84 is: 7,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.48 : 18,333.18 = 5,292.84 : x
  2. Step 2: Convert to fraction form
    12,213.48/18,333.18 = 5,292.84/x
  3. Step 3: Cross multiply
    12,213.48x = 18,333.18 × 5,292.84
  4. Step 4: Simplify right side
    12,213.48x = 97,034,588.43
  5. Step 5: Solve for x
    x = 97,034,588.43/12,213.48
  6. Step 6: Final answer
    x = 7,944.88

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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.