Home / 12,250.94-18,376.61-3,486.08

Finding the Fourth Proportional to 12,250.94, 18,376.61 and 3,486.08

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Solution

The fourth proportional to 12,250.94, 18,376.61 and 3,486.08 is: 5,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.94 : 18,376.61 = 3,486.08 : x
  2. Step 2: Convert to fraction form
    12,250.94/18,376.61 = 3,486.08/x
  3. Step 3: Cross multiply
    12,250.94x = 18,376.61 × 3,486.08
  4. Step 4: Simplify right side
    12,250.94x = 64,062,223.28
  5. Step 5: Solve for x
    x = 64,062,223.28/12,250.94
  6. Step 6: Final answer
    x = 5,229.17

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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.