Home / 12,466.28-18,693.84-3,698.12

Finding the Fourth Proportional to 12,466.28, 18,693.84 and 3,698.12

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Solution

The fourth proportional to 12,466.28, 18,693.84 and 3,698.12 is: 5,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.28 : 18,693.84 = 3,698.12 : x
  2. Step 2: Convert to fraction form
    12,466.28/18,693.84 = 3,698.12/x
  3. Step 3: Cross multiply
    12,466.28x = 18,693.84 × 3,698.12
  4. Step 4: Simplify right side
    12,466.28x = 69,132,063.58
  5. Step 5: Solve for x
    x = 69,132,063.58/12,466.28
  6. Step 6: Final answer
    x = 5,545.52

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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.