Home / 12,487.22-18,723.80-5,466.14

Finding the Fourth Proportional to 12,487.22, 18,723.80 and 5,466.14

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Solution

The fourth proportional to 12,487.22, 18,723.80 and 5,466.14 is: 8,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487.22 : 18,723.80 = 5,466.14 : x
  2. Step 2: Convert to fraction form
    12,487.22/18,723.80 = 5,466.14/x
  3. Step 3: Cross multiply
    12,487.22x = 18,723.80 × 5,466.14
  4. Step 4: Simplify right side
    12,487.22x = 102,346,912.13
  5. Step 5: Solve for x
    x = 102,346,912.13/12,487.22
  6. Step 6: Final answer
    x = 8,196.13

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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.