Home / 12,036.60-18,055.41-3,716.42

Finding the Fourth Proportional to 12,036.60, 18,055.41 and 3,716.42

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Solution

The fourth proportional to 12,036.60, 18,055.41 and 3,716.42 is: 5,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.60 : 18,055.41 = 3,716.42 : x
  2. Step 2: Convert to fraction form
    12,036.60/18,055.41 = 3,716.42/x
  3. Step 3: Cross multiply
    12,036.60x = 18,055.41 × 3,716.42
  4. Step 4: Simplify right side
    12,036.60x = 67,101,382.62
  5. Step 5: Solve for x
    x = 67,101,382.62/12,036.60
  6. Step 6: Final answer
    x = 5,574.78

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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.