Home / 12,265.97-18,388.22-4,367.25

Finding the Fourth Proportional to 12,265.97, 18,388.22 and 4,367.25

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Solution

The fourth proportional to 12,265.97, 18,388.22 and 4,367.25 is: 6,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.97 : 18,388.22 = 4,367.25 : x
  2. Step 2: Convert to fraction form
    12,265.97/18,388.22 = 4,367.25/x
  3. Step 3: Cross multiply
    12,265.97x = 18,388.22 × 4,367.25
  4. Step 4: Simplify right side
    12,265.97x = 80,305,931.96
  5. Step 5: Solve for x
    x = 80,305,931.96/12,265.97
  6. Step 6: Final answer
    x = 6,547.05

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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.