Home / 12,231.42-18,345.51-3,466.95

Finding the Fourth Proportional to 12,231.42, 18,345.51 and 3,466.95

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Solution

The fourth proportional to 12,231.42, 18,345.51 and 3,466.95 is: 5,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.42 : 18,345.51 = 3,466.95 : x
  2. Step 2: Convert to fraction form
    12,231.42/18,345.51 = 3,466.95/x
  3. Step 3: Cross multiply
    12,231.42x = 18,345.51 × 3,466.95
  4. Step 4: Simplify right side
    12,231.42x = 63,602,965.89
  5. Step 5: Solve for x
    x = 63,602,965.89/12,231.42
  6. Step 6: Final answer
    x = 5,199.97

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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.