Home / 12,251.07-18,377.28-3,485.25

Finding the Fourth Proportional to 12,251.07, 18,377.28 and 3,485.25

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Solution

The fourth proportional to 12,251.07, 18,377.28 and 3,485.25 is: 5,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.07 : 18,377.28 = 3,485.25 : x
  2. Step 2: Convert to fraction form
    12,251.07/18,377.28 = 3,485.25/x
  3. Step 3: Cross multiply
    12,251.07x = 18,377.28 × 3,485.25
  4. Step 4: Simplify right side
    12,251.07x = 64,049,415.12
  5. Step 5: Solve for x
    x = 64,049,415.12/12,251.07
  6. Step 6: Final answer
    x = 5,228.07

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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.