Home / 12,226.68-18,337.44-3,459.24

Finding the Fourth Proportional to 12,226.68, 18,337.44 and 3,459.24

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Solution

The fourth proportional to 12,226.68, 18,337.44 and 3,459.24 is: 5,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.68 : 18,337.44 = 3,459.24 : x
  2. Step 2: Convert to fraction form
    12,226.68/18,337.44 = 3,459.24/x
  3. Step 3: Cross multiply
    12,226.68x = 18,337.44 × 3,459.24
  4. Step 4: Simplify right side
    12,226.68x = 63,433,605.95
  5. Step 5: Solve for x
    x = 63,433,605.95/12,226.68
  6. Step 6: Final answer
    x = 5,188.13

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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.