Home / 12,361.38-18,540.08-4,041.32

Finding the Fourth Proportional to 12,361.38, 18,540.08 and 4,041.32

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Solution

The fourth proportional to 12,361.38, 18,540.08 and 4,041.32 is: 6,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.38 : 18,540.08 = 4,041.32 : x
  2. Step 2: Convert to fraction form
    12,361.38/18,540.08 = 4,041.32/x
  3. Step 3: Cross multiply
    12,361.38x = 18,540.08 × 4,041.32
  4. Step 4: Simplify right side
    12,361.38x = 74,926,396.11
  5. Step 5: Solve for x
    x = 74,926,396.11/12,361.38
  6. Step 6: Final answer
    x = 6,061.33

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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.