Home / 12,273.18-18,406.68-3,508.14

Finding the Fourth Proportional to 12,273.18, 18,406.68 and 3,508.14

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Solution

The fourth proportional to 12,273.18, 18,406.68 and 3,508.14 is: 5,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.18 : 18,406.68 = 3,508.14 : x
  2. Step 2: Convert to fraction form
    12,273.18/18,406.68 = 3,508.14/x
  3. Step 3: Cross multiply
    12,273.18x = 18,406.68 × 3,508.14
  4. Step 4: Simplify right side
    12,273.18x = 64,573,210.38
  5. Step 5: Solve for x
    x = 64,573,210.38/12,273.18
  6. Step 6: Final answer
    x = 5,261.33

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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.