Home / 12,236.56-18,355.02-3,471.49

Finding the Fourth Proportional to 12,236.56, 18,355.02 and 3,471.49

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Solution

The fourth proportional to 12,236.56, 18,355.02 and 3,471.49 is: 5,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.56 : 18,355.02 = 3,471.49 : x
  2. Step 2: Convert to fraction form
    12,236.56/18,355.02 = 3,471.49/x
  3. Step 3: Cross multiply
    12,236.56x = 18,355.02 × 3,471.49
  4. Step 4: Simplify right side
    12,236.56x = 63,719,268.38
  5. Step 5: Solve for x
    x = 63,719,268.38/12,236.56
  6. Step 6: Final answer
    x = 5,207.29

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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.