Home / 12,231.61-18,347.38-3,466.60

Finding the Fourth Proportional to 12,231.61, 18,347.38 and 3,466.60

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Solution

The fourth proportional to 12,231.61, 18,347.38 and 3,466.60 is: 5,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.61 : 18,347.38 = 3,466.60 : x
  2. Step 2: Convert to fraction form
    12,231.61/18,347.38 = 3,466.60/x
  3. Step 3: Cross multiply
    12,231.61x = 18,347.38 × 3,466.60
  4. Step 4: Simplify right side
    12,231.61x = 63,602,972.97
  5. Step 5: Solve for x
    x = 63,602,972.97/12,231.61
  6. Step 6: Final answer
    x = 5,199.89

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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.