Home / 12,224.56-18,337.80-3,459.56

Finding the Fourth Proportional to 12,224.56, 18,337.80 and 3,459.56

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Solution

The fourth proportional to 12,224.56, 18,337.80 and 3,459.56 is: 5,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.56 : 18,337.80 = 3,459.56 : x
  2. Step 2: Convert to fraction form
    12,224.56/18,337.80 = 3,459.56/x
  3. Step 3: Cross multiply
    12,224.56x = 18,337.80 × 3,459.56
  4. Step 4: Simplify right side
    12,224.56x = 63,440,719.37
  5. Step 5: Solve for x
    x = 63,440,719.37/12,224.56
  6. Step 6: Final answer
    x = 5,189.61

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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.